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A psychology class consists of 32 freshmen and 48 sophomores. If the professor selects names from the class list using random sampling,
a. what is the probability that the first student selected will be a freshman?
b. and if a random sample of n 5 6 students is selected and the first five selected are sophomores, what is the probability that the sixth student selected will be a freshman?
c. Repeat question a (above) after 10 sophomore students join the class.
b. and if a random sample of n = 6 students is selected and the first five selected are sophomores, what is the probability that the sixth student selected will be a freshman?
Answer:
A) 0.4
B) 0.4267
C) 0.356
Explanation:
A) There are;
32 freshmen and 48 sophomores.
Thus, total number of students = 32 + 48 = 80 students.
Thus;
P(first student selected will be a freshman) = 32/80 = 0.4
B) Since there are 6 students randomly selected with the first 5 being sophomore, then;
After 5 sophomore students selected, we have;
(80 - 5) = 75 students left
Also, we have 32 freshmen.
Probability of the 6th being a fresh man which is the next selection is;
P(6th being a freshman) = 32/75 = 0.4267
C) if 10 sophomore students join, then total number of students is now;
80 + 10 = 90 students.
Thus;
P(first student selected will be a freshman after 10 sophomore students join) = 32/90 = 0.356
a traveller from London visits south Africa , explain why this segmentation is not applicable to the tourist
Answer:
because tourism market segmentation is the strategic tool for getting a clear picture of diversity among the tourists. The tourism researchers and the tourism industry use market segmentation information to study the opportunities for competitive advantage in the marketplace.
hope that helps bby<3
According to the Rescorla-Wagner theory of conditioning, blocking occurs because... Group of answer choices the CS has already taken up most of the available associative strength. familiar stimuli are more difficult to condition. the CS gathers more associative strength than the US. the US has already taken up most of the available associative strength.
Answer:
Explanation:
How does the Rescorla Wagner model explain the blocking effect?
This effect was most famously explained by the Rescorla–Wagner model. The model says, essentially, that if one CS (here the light) already fully predicts that the US will come, nothing will be learned about a second CS (here the tone) that accompanies the first CS.Robert Rescorla and Allen Wagner were the first to realize what about classical conditioning? ... those in a vegetative state showed trace conditioning but those who were unconscious did not.According to stimulus substitution theory, after pairing the new stimulus with the existing conditioned stimulus it is possible to replace the first CS with the new stimulus. For instance, you have conditioned a rat to respond to a whistle as a signal that it is about to be fed.
According to the Rescorla-Wagner theory of conditioning, blocking occurs because CS has already taken up most of the available associative strength. The correct option is A. The Rescorla-Wagner model claims that blocking happens because the CS added in the second phase offers no fresh or prognostic information.
What did Rescorla and Wagner show about conditioning?The value of a paired trial as reinforcement decreases with increasing associative strength between the presented stimuli is a fundamental tenet of Rescorla and Wagner's model of associative learning.
Blocking and Unblocking predictions are one of the R-W model's most significant contributions. When a novel stimulus is presented alongside an established CS, blocking happens because the novel stimulus has no predictive value because it is novel.
Thus, the ideal selection is option A.
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Can some one pls help me on this
Answer:
Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
Explanation:
Why is important that these Underground RR sites are protected?
Answer:
It is our heritage.
Explanation:
It is very important to protect these Underground Railroad sites because it is our heritage of our culture that we gained from our ancestors as well as we can used it for the purpose of transportation. These underground Railroads sites were produced for the purpose of transportation which is very costly to build so we also used these Underground Railroad sites for the purpose of transportation.
In order to make your way in the world, it is probably a good idea to _____. Select all that apply.
1. know what you believe and why
2. to have a thorough understanding of every religion and every political party in the world
3. to take advantage of educational opportunities both at school and on your own
4.to stay true to who you are as you are now because people cannot take advantage of you
5. to worship in any way you choose
Answer:
1-Know what you believe and why
4-to stay true to who you are as you are now beccause people cannot take advantage of you
Explanation:
Hope this helps , have a nice day :)
Answer:
-Actually it's
1.) know what you believe and why
and
3.) to take advantage of educational opportunities both at school and on your own
What type of media is Sasha using when she publishes an article on the
Internet?
O A. Mass media
B. Traditional media
C. Unbiased media
D. Independent media
The correct answer is A. Mass media.
Explanation
A communication medium is a tool that has been used over the years to communicate a fact to the public directly. In the communication media, there are written media such as magazines, newspapers, among others; audiovisual such as television; auditory such as radio and digital mass media such as the internet. The internet as a means of communication has made it possible to reach more readers because most people have access to the content that is published on the internet, making this a massive means of communication. So if Sasha publishes an article on the internet, not only people from her country will be able to access it, but also people from all countries in the world. So the correct answer is A. Mass media.
Answer:
A. Mass media
Explanation:
: How did World War 1 affect Americans socially, politically, and economically?
Answer:
The United States went from a recession to a 44-month economic boom during World War I. US exports to Europe rose as those countries prepared for war. Later, as the US prepared to enter the war, it upped its spending.
A man's reproductive age starts at puberty and ends when he dies. A woman's reproductive age is between Menarche (when she begins ovulating) and Menopause (when she stops ovulating). However, she has plenty eggs way before Menarche and way after Menopause. Why, do you think, Mother-Nature has put a limit on the reproductive age of women, but not men
Answer:
If women were capable of having children throughout their life, the population would be beyond the capacity at which our Earth could handle, causing a sure collapse of humanity as we overuse our resources. As well, our bodies weaken as we age, making pregnancies unsafe for both parent and child at older ages.
Look at the area of the map indicated below. Which civilization developed in
this part of the world during the classical era?
A. The Mauryan Empire
B. The Maya civilization
C. Greek city-states
D.The han dynasty
The correct answer is A. The Mauryan Empire.
Explanation
The image shows a world map in which there is a red rectangle enclosing a part of the indicated peninsula. In this place, during the Classical Era, the Mauryan Empire stood from 320 BC. C until the year 180 a. This was the first Great empire located in this region of Asia. This empire was founded by Chandragupta Maurya, who unified a large territory until reaching the Himalayas in the north. Later, Emperor Bindusara managed to extend the territory to the central regions of Asia and the south of the Indian peninsula. According to the above, the correct answer is A. The Mauryan Empire.
what role do good roads play in developing the country
Answer:
it helps in transportation
Question 23 1 pts What is the purpose of the North Atlantic Treaty Organization? (1 point) O To saleguard the freedom of its members through political and military means O To deal with the rules of trade between nations at a global or near-global level O To serve in the cause of peace by living and working in developing countries O To provide free, quality education for all children worldwide
What is the purpose of the North Atlantic Treaty Organization?
A. To safeguard the freedom of its members through political and military means. ✅
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Hãy nêu 19 ví dụ của 19 kiểu tam đoạn luận
Answer:
we dont speak like that sowyyy
Answer:
I don't know
Explanation:
cos i don't know what u ar talking about
As a catering manager of a large banquet operation the flower for the hotel are booked through your office. the account is worth 15,000 pesos per month the florist offers you a 10% discount. Will you accept it? If you so state why, if not give your reasons
Mickey joins a guerilla band fighting the governemnt in some far away country. While in leading a squad of insurgents, he orders the death of every inhabitant of a small hamlet reportedly friendly to the government. Mickey is eventually captured and extradited to the Hague to face trial.
The purpose of Mickey's attack on the village was to create a state of extreme fear and dread amongst other villages who might support the government. Under this circumstance, Mickey would be charged with the:________.
Answer: crime of terrorizing
Explanation:
Terrorism is defined as the use of unlawful violence in order to inculcate fear which is done to intimidate the government or coerce them to agree to certain terms which are usually religious, or political.
Since the purpose of Mickey's attack on the village was to create a state of extreme fear and dread amongst other villages who might support the government, then he'll be charged with crime of terrorizing.
Which claim is not defensible?
O A. Decreased pollution is associated with decreased childhood
asthma.
• B. Making Election Day a national holiday would increase
voter
turnout.
C. George W. Bush was not as talented a politician as his father,
George H. W. Bush.
D. Government spending increases
under Democratic presidents.
Answer:
C. George W. Bush was not as talented a politician as his father,
George H. W. Bush.
Explanation:
No explanation
An action-theoretical model of media entertainment includes User Prerequisites, Motives, and Media Prerequisites.
A. True
B. False
An action-theoretical model of media entertainment includes User Prerequisites, Motives, and Media Prerequisites. The given statement is False.
What is the importance of entertainment?You can maintain both your mental and emotional wellness by engaging in enjoyable activities. Your life will become happier as a result. You might even become closer to your friends and family as a result of some of these activities. As a result, entertainment has several advantages.
Media entertainment theories explain the reasons for media consumption, the variables that influence media choice, media processing, media evaluation, including enjoyment and content appreciation, and the impacts of media entertainment consumption on people.
Thus, Users' motivations, media prerequisites, and action-theoretical models of media entertainment are all included. The aforementioned claim is untrue.
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James Polk believed in which of the following ideas?
A) The United States should not expand west of the Mississippi River.
B) The United States should negotiate with native tribes in the western territories in order to acquire land.
C) The United States should extend from the Atlantic Ocean to the Pacific Ocean.
D) The United States should acquire land only through peaceful compromise.
Answer:
C) The United States should extend from the Atlantic Ocean to the Pacific Ocean.
Explanation:
Former president James Polk was one of the main believers of the idea of Manifest Destiny. According to this idea, the United States had a political and divine right to extend from the Atlantic Ocean to the Pacific Ocean, in order to bring the virtues of the American civilization to as much territory as possible.
James Polk believed so firmly in this idea that he thought all means to realize it were valid. He actually provoked a war with Mexico that the US won, and that resulted in the cession of most of the American Southwest, which until then was part of Mexico, to the United States.
Answer:
c)
Explanation:
what is science?in the chemistry
Answer:
Chemistry is one branch of science. Science is the process by which we learn about the natural universe by observing, testing, and then generating models that explain our observations. Because the physical universe is so vast, there are many different branches of science
Explanation:
Read the selection from the section "It was like a gladiator battle in a giant pool."
As massive ordeals requiring far more resources than your average Roman spectacle,
naumachiae were only orchestrated for exceptionally celebratory occasions. A naumachia was
like a gladiator battle scaled up and tossed into an enormous pool, with competing fleets of
oarsmen and fighters loosely re-enacting a historical battle. Sometimes, they simply improvised
their brutality. Men already awaiting execution sometimes needed to be goaded into killing each
other for the sake of mass entertainment. On, ancient Rome.
What conclusion is BEST supported by this selection?
(A)
Roman society had no sense of right and wrong.
(B)
Romans saw public execution as acceptable.
(C)
Romans were proud of their naval victories.
(D)
Roman society valued military service.
Answer:
its B)
Explanation:
Men already awaiting execution sometimes needed to be goaded
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Read through the five characteristics of qualitative research again. Based on these characteristics, describe the ways that a qualitative research report will differ from a more traditional experimental report prepared in accepted American Psychological Association (APA) format
Answer and Explanation:
Some of the characteristics of qualitative research include:
1. Natural setting
2. Researcher is key instrument
3. Multiple methods
4. Focus on participants
5. Emergent design
1. Natural setting: This means that qualitative researchers collect their data from the field ie where the participant is naturally dwelling(sometimes without the participant's knowledge of the researcher). This is different from an experimental research that involves bringing participants to a lab in order to manipulate dependent variables and observe them with independent variables and extraneous variables. An experimental research would therefore have to report the effect of the independent variable on the dependent variable while a qualitative research would report participants behavior given variables in his natural dwelling.
2. Researcher is key instrument: a qualitative researcher is the main instrument of research as he does not make use of third party source of data or data collected by someone else such as use of questionnaires, he observes the participants directly in the field. An experimental researcher on the other hand makes use of the results of his experiment, cause and effect relationship of variables, in getting his data for analysis. Therefore the qualitative researcher and experimental researcher will report different sources/methods of data collection in their research report.
What is that thing which girls do once in lifetime and that same thing boys do every day?
Answer: Half of you is exactly as old as your mother. That is because the egg from your mother that was fertilized by your dad's sperm, was present in her ovaries the day she was born.
New sperm, on the other hand, is produced constantly in the male testicles. This process takes around 130 days for sperm to be fully formed, ready to die or create a new life.
So, men manufacture new reproductive chromosome-containing sperm every day, whereas women only manufacture their entire lifelong supply of chromosome-containing eggs once in their existence. This, in fact, already happens before they are born.
Quite enchanting if you think about it, actually.
Answer:
Maqabir (Graveyards).
Explanation:
The riddle shown above is the imprecise translation of an Arabic riddle. The riddle in its correct translation is "Men use it thrice a day, while women only use it once in a lifetime." The answer to this is Maqabir or Graveyards and it is related to a Muslim tradition where men enter the cemetery "three times a day" as they bury the dead three times between the forbidden temples, while women only enter the graveyard on the day of their burial.
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Popular Sovereignty
The power of government comes from people
Common Good
People working together for the good of everyone
Patriotism
To show love for our country
Answer:
Popular Sovereignty = The power from the government comes from people
Common Good = People working together for the good of everyone
Patriotism = To show love of our country
analyze the effects of price ceilings and price floors
Answer:
Price ceilings prevent a price from rising above a certain level. When a price ceiling is set below the equilibrium price, quantity demanded will exceed quantity supplied, and excess demand or shortages will result. Price floors prevent a price from falling below a certain level.
Explanation:
Identify and explain the phenomenon represented by the arrows diagram .
Answer:
The phenomena represented here mark the direction of magnetic field that travels from North direction of the South.
Explanation:
Please find the attached file
Solution
The phenomena represented here mark the direction of magnetic field that travels from North direction of the South.
It also represents the alignment of magnetic dipoles with in a magnet in a direction in line with any external magnetic field in a way that it produces its own magnetic field that travels from North to the South direction.
Why might a letter-writing campaign get a company to change its business practices? A. The government wants to keep both consumers and companies from burdening the postal system. B. The company could end up spending a lot of money answering all of the letters. O C. The company might fear that the letter-writing campaign will become a boycott if it doesn't respond. O D. Consumers use letter-writing campaigns to get the government to pass favorable legislation.
Answer: C. The company might fear that the letter-writing campaign will become a boycott if it doesn't respond.
Explanation:
A letter-writing campaign might be a precursor to larger things such as a boycott and this is alone to ensure that companies pay attention to the concerns of those writing the letters.
The logic is simple. If the organizers of the people writing the letters could organize so many people to write letters, they could just as well organize these people to boycott the company if they do not get their way and this would be harmful to the business.
From your findings, what conclusions and recommendations can you make on the
issue of human rights violations to:
Government; and
Communities
Answer:
Governments and Communities, often make harsh choices without considering the consequences. Or they tend act out in ways that they may think is right, which turns out to have bad consequences afterwards.
3- Which of the following implications cannot be derived from Piaget's theory of
cognitive development?
Group of answer choices.
A. Discovery learning
B. Need of verbal teaching
C. Sensitivity to children's readiness to learn
D. Acceptance of individual differences
Answer:
B. Need of verbal teaching
Explanation:
Cognitive development can be defined as the development of thought processes, skills, knowledge and problem-solving abilities from infancy through adulthood.
Jean Piaget was a developmental biologist and psychologist who worked extensively on cognitive development in infants and teenagers; these are judgement, knowledge and thoughts.
Jean Piaget's stages of cognitive development in an ascending order are;
I. Sensorimotor: this is between 0 - 2 years (18 - 24 months) where the child exhibits object permanence.
II. Preoperational: this is age 2 - 7 years where the child acts in an egocentric manner.
III. Concrete operational: this is age 7 through age 11 and the child thinks logically at this stage.
IV. Formal operational: this is from adolescence (11 years) through adulthood and focuses on logically thinking about abstractions.
The following implications can be derived from Piaget's theory of cognitive development;
a. Discovery learning.
b. Being sensitive to a child's readiness and willingness to learn.
c. Acceptance of individual differences.
However, a need of verbal teaching such as the roles of language cannot be derived from Piaget's theory of cognitive development.
Que ideas se presentan en cada caso
