About 5% of the population has a particular genetic mutation. 400 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in groups of 400.

Answers

Answer 1

Answer:

20

Step-by-step explanation:

(5/100) * (400/1)

cancel the zeros

4 * 5= 20


Related Questions

charles charges $4 an hour to baby-sit. He also adds an extra $10 onto the total for families with more than three children. Write an equation for what Charles charges to baby-sit a family of 4 children.

y = 4x - 10

y = 4x + 10

y = 40x

y = 4x + 10x

Answers

Answer:

b

Step-by-step explanation:

The required expression for Charles is y = 4x + 10. Option b is correct.

An expression to be determine that explain charles charge for the families have more than 3 children.

What are equations?

Equation are the coded expression that describes the mathematical familiarities of the word statement.

Here, Charles charge $10 more beside of $4 an hour to baby sit for the families having more than 3 children.
⇒ let  'y' is the total charge applied and 'x' is hours of baby sit.
y = 4x + 10

Thus, the required expression for Charles is y = 4x + 10.

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two geometric figures that are proportional in size are ____ figures​

Answers

I think the answer is congruent

Select the two correct factors of the polynomial:​

Answers

Answer:

(x + 6)

(x - 7)

Step-by-step explanation:

To factor the polynomial in form [tex]x^{2} +bx+c[/tex] find two factors of C that have a sum of B

B = -1

C = -42

Factors of 42:

1, 2, 3, 6, 7, 14, 21, 42

6 and -7 multiply to -42 and add to -1

Write in factored form:

(x + 6)(x - 7)

Answer:

(x - 7)(x + 6)

Step-by-step explanation:

Given

x² - x - 42

Consider the factors of the constant term (- 42) which sum to give the coefficient of the x- term (- 1)

The factors are - 7 and + 6 , since

- 7 × 6 = - 42 and - 7 + 6 = - 1 , thus

x² - x - 42 = (x - 7)(x + 6)

Two lines that have the same y intercept and different slopes intersect at exactly one point.

True

False

Answers

Answer:

False. They will be parallel to each other

Answer:

false they would be parallel lines

Describe something true about any pair of interior and exterior angles?​

Answers

The interior angles of a shape are the angles inside the shape. The exterior angles are the angles formed between a side-length and an extension. Rule: Interior and exterior angles add up to 180 ° 180\degree 180°.

please I need some help with both questions.

Answers

Step-by-step explanation:

which questions you were asking

plzzz helpppp!!!!!
How can you identify the solution to a system of inequalities?​

Answers

Answer:

The solution of a linear inequality is the ordered pair that is a solution to all inequalities in the system and the graph of the linear inequality is the graph of all solutions of the system. Graph one line at the time in the same coordinate plane and shade the half-plane that satisfies the inequality

how many times does 67 117

Answers

7839 i think that’s right
67 can only go into 117 once

helppp i don’t know the answer

Answers

I believe the answer is the first one ! Keep in your mind that the first part of the ordered pair is always the domain , and the second part of the ordered pair is the range !!
Don’t forget a brainliest if this helped ;)

PLEASE HELPPPPP ME

What are the slope and y-intercept of the line?

A. The slope is approximately 3 and the y-intercept is 2.
B. The slope is approximately 1.33 and the y-intercept is 2.
C. The slope is approximately 2 and the y-intercept is 3.
D.The slope is approximately 2 and the y-intercept is 1.33.

Answers

Answer:

B.The slope is approximately 1.33 and the y-intercept is 2.

Step-by-step explanation:

On the graph we are going based off where the line starts and in this case it starts on the y line and that shows our y-intercept is 2. The line also doesn't have a rate of change that is directly being put onto an intersecting point like (2,2) which would make it a decimal 1.33.

Answer:

B. The slope is approximately 1.33 and the y-intercept is 2.

Step-by-step explanation:

We can eliminate answers C and D because the y-intercept is 2.

The slop is approximately 1.33 because if we go over 1 unit, we must go up approximately 1.33 units to follow the line.

What is the equation in slope-intercept form of the line that passes through the point
(5,0) and is parallel to the line represented by y = 2.4x - 1.7?

Answers

Answer:

i really dont know sorry i just need points

Step-by-step explanation:

Answer:

Step-by-step explanation:

Use the equation below to find y, if m=3 ,x=4 , and b=9
y=mx +b

Answers

Answer:

y = 21

Step-by-step explanation:

y = 3(4) + 9

= 12 + 9

= 21

The diagram below shows a map of the routes taken by Georgia Air-Taxi airline. On this diagram lengths and directions are irrelevant, all that matters is the connections between airports. Choose the adjacency matrix, name it A, that matches the scenario.

Answers

Answer: B

Step-by-step explanation: Adjacency Matrix is a square matrix representing a simple graph with 0 or 1 according to the condition given.

In this diagram, 0 corresponds to no connection between airports and 1 corresponds to connections between airports.

In other words, analysing the image, we see that:

1) Albany just have connection with Atlanta, so in the position of line Albany with column At, it must be a 1. The other columns, there are 0.

The Line for Albany in the matrix will be: [0 1 0 0 0 0]

2) Atlanta has connections with Albany, Dalton, Macon and Augusta. So corresponding position (line and column) must be 1. The only two airports Atlanta doesn't have connection with its own and Waycross, so at the corresponding column and line, it is written 0.

The line for Atlanta in the matrix is [1 0 1 1 1 0]

3) Augusta: connections with Atlanta, Macon, Waycross. At those positions, it will be written 1. At positions related to itself, Albany and Dalton is 0.

The line in the matrix will be [0 1 0 0 1 1]

4) Dalton: connection with Atlanta only. That position will be 1 while the others will be 0.

The line is [0 1 0 0 0 0]

5) Macon: connections with Atlanta, Augusta and Waycon: those positions will have 1 and the other 0.

The line is [0 1 1 0 0 1]

6) Waycross: connections with Macon and Augusta. Those positions will be 1 and the others 0.

The line is [0 0 1 0 1 0]

In conclusion, the adjacency matrix matching the scenario is

[tex]A=\left[\begin{array}{cccccc}0&1&0&0&0&0\\1&0&1&1&1&0\\0&1&0&0&1&1\\0&1&0&0&0&0\\0&1&1&0&0&1\\0&0&1&0&1&0\end{array}\right][/tex]

What is the image point of (6,-4)(6,−4) after a translation left 4 units and down 5 units?

Answers

Answer:

(2,-9)

Step-by-step explanation:

6-4 = 2

-4-5 =9

so The answer is (2,-9)

Subtract -7x^2+4x+2 from x^2-3x

Answers

Answer:

-8x^2+x+2

Step-by-step explanation:

What is the slope of the line?
pls help I need the answer

Answers

Answer:

the slope of a horizontal line is 0

find the length of the side of a square with a perimeter of 128 meters​

Answers

Answer:

32 Meters

Step-by-step explanation:

A square has 4 equal sides so all you have to do is divide 128 by 4

........................divide

pls help! will give brainlist!

parts of New Orleans is currently below sea level and continues to sing each year. NASA imagines shows that One part of the city is currently 6 feet (72 inches) below sea level. Each year and continues to sing two more inches. Write an expression to describe the depth of New Orleans after any given year

Answers

Answer:

depth = 6th + 2(number of years)

I will mark you brainiest if you answer this, please help

Answers

Answer: 216

The biggest factor is them times together

Answer:

GCF2

LCM218

EXPLANATION

Solve this math problem first you get a free crown!

what is the sum of -7/18 and -3/6
A. -4/9
B. -8/9
C. 4/9
D. 8/9

Answers

Answer:

16/18

8/9

Step-by-step explanation:

the answer is B) -8/9

Help Mee!!! What’s the answer

Answers

Answer:

A.

Step-by-step explanation:

The people are: Frank, Ruby, Tom, and Wendy

The cost of their food: $5.99, $6.99, $7.99, $8.99

Each person bought a different food item: banana, apple, mango, and grapefruit

Each person also bought a different drink: milk, green tea, water, and iced tea



See if you can match the person with the cost of their meal, food and drink. I will give you two free answers. The first one is Tom paid 8.99. The second one is Ruby had the grapefuit.



1. The person who had the milk paid $1 more than Wendy.
2. Ruby paid more than the person who had the milk.
3. The person who ordered the banana was either the person who had the milk or the
person who paid $5.99.
4. The four friends were the person who paid $8.99, the person who ordered the
apple, the person who ordered the grapefruit, and Wendy.
5. Tom paid $1 more than the person who ordered the grapefruit.
6. The person who ordered the grapefruit paid $2 more than the person who had the water.
7. The person who paid $7.99 was either the person who had the iced tea or the person who
had the water

Group of answer choices
wendy (cost)

[ Choose ]
wendy (drink)

[ Choose ]
wendy (food)

[ Choose ]
frank (cost)

[ Choose ]
frank (drink)

[ Choose ]
frank (food)

[ Choose ]
ruby (cost)

[ Choose ]
ruby (drink)

[ Choose ]
ruby (food)

[ Choose ]
tom (cost)

[ Choose ]
tom (drink)

[ Choose ]
tom (food)

[ Choose ]

Answers

Answer:

yo it took me 3 tires and 15 minutes, but i got it. like 5 seconds ago

Step-by-step explanation:

okay one is wrong this an 11/12, but i sped thru it to get the answers, you have to figure out which is incorrect

wendy

(cost)

5.99

wendy

(drink)

water

wendy

(food)

banana

frank

(cost)

6.99

frank

(drink)

milk

frank

(food)

apple

ruby

(cost)

7.99

ruby

(drink)

iced tea

ruby

(food)

iced tea

tom

(cost)

8.99

tom

(drink)

green tea

tom

(food)

mango

Wendy (cost) = $7.99

Wendy (drink) = water

Wendy (food) = banana

Frank (cost) = $6.99

Frank (drink) = iced tea

Frank (food) = apple

Ruby (cost) = $8.99

Ruby (drink) = milk

Ruby (food) = grapefruit

Tom (cost) = $5.99

Tom (drink) = green tea

Tom (food) = mango

Based on the given information and the provided clues, we can match the people with the cost of their meal, food, and drink as follows:

wendy (cost) = $7.99

wendy (drink) = water

wendy (food) = banana

frank (cost) = $6.99

frank (drink) = iced tea

frank (food) = apple

ruby (cost) = $8.99

ruby (drink) = milk

ruby (food) = grapefruit

tom (cost) = $5.99

tom (drink) = green tea

tom (food) = mango

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Answer the following question

1. Bejar is now known as the city of San Antonio. The author says, “ As one covers the distance from Béjar to this town, he will note that Mexican influence is proportionately
diminished “What cardinal direction can you assume he has traveled from Bejar to reach “This Town"?

2. why might the influence of the Mexican government and culture diminish the further away one travels from Bejar?

3. Terran discovered that the foreigners outnumber the Mexican by what ratio?

4. Who are the “foreigners” that Teran repeatedly refers to?

5. What does Teran predict could happen in Texas if the Mexican government does not strengthen its control over Texas?

Answers

Answer: 1.Twelve months have now elapsed since the first half volume of this work was offered to the public. The favourable reception it has experienced gives the Editor reason to hope that he has fulfilled the engagements which he came under at its first appearance, and is a powerful inducement to continue his utmost exertions to preserve and improve the character of the work. In the four volumes which are now published, several extensive and important original articles are introduced, which have not hitherto appeared in any similar collection, and had not even been previously translated into English. These materially contribute towards the ample information which was formerly announced, in the Preface to the first Volume, as a leading object in this Collection. In the subsequent parts of the work, every effort shall be made to fill up its several divisions with original articles of similar interest and equal importance.

Encouraged by a satisfactory and increasing sale, the progress of publication has been somewhat hastened, beyond what was originally promised in the Prospectus and Conditions; as the whole of the fourth Volume is now published, at the period when only its first half was to have appeared. It is intended to repeat this anticipation occasionally, by the publication of two numbers or half-volumes at once, when opportunity offers. While this may gratify one portion of our readers, it is not meant to preclude others from continuing to be supplied, as before, with the numbers or half volumes at regular intervals, in their own option.

2.As the population in Texas from the United States swelled, Mexican authorities grew increasing nervous. In 1827, the Mexican government sent General Manuel de Mier y Terán to investigate the situation. He warned that unless the Mexican government took timely measures, settlers were certain to rebel. Differences in language and culture, Terán believed, had produced bitter enmity between the colonists and native Mexicans. The colonists refused to learn the Spanish language, maintained their own separate schools, and conducted most of their trade with the United States.

3.While holding out the possibility of compromise, the Texans prepared for war. The provisional government elected Sam Houston, a former Tennessee governor, to lead whatever forces he could muster. Then in early 1836, a band of three hundred to five hundred Texans captured Mexico's military headquarters in San Antonio. The Texas revolution was under way.

4.Don Manuel de Mier y Terán: As It Affected Texas-Mexican Relations (Continued)

5. THEY MARCHED AN ARMY INTO TX TO STOP THE REBELLION. THE MEXICAN GOVERNMENT “DISOWNED” SANTA ANNA AND THE TREATY; IT DID NOT RECOGNIZE TX INDEPENDENCE FORMALLY UNTIL THE END OF THE MEXICAN AMERICAN WAR.

Step-by-step explanation:

5x - 2y = 9
x + 3y = -5
Solve by Substitution

Answers






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A dance teacher surveyed one of her classes about their favorite type of dance. Of those surveyed, 5 favored ballet, 2 favored tap, and 3 favored jazz. Based on these results, predict how many of the teacher's 90 dancers will not favor tap.

Answers

Answer:

72 students

Step-by-step explanation:

80% of the students already do not favor tap (8/10)

to get 90 students you multiply by 9.

8x9 is 72.

The results are 72 students that would not favor tap

A circle has a circumferende of 13.04
units

Answers

What solution are you trying to find here with the circumference? Radius, diameter? I need more details so I can help you out. Thanks!

The sum of three consecutive numbers is 84. What is the largest of these numbers? (5 points) a 28 b 26 c 29 d 27

Answers

Answer:

The answer is c.29

Step-by-step explanation:

I used Google xD

Answer:

Largest number = 29

Step-by-step explanation:

Let the consecutive numbers by (x + 1) ; (x + 2) and (x +3)

x +1 + x + 2 + x + 3 = 84         {Combine like terms}

x + x +x + 1  + 2 + 3 = 84

               3x + 6 = 84

                    3x = 84 - 6

                     3x = 78

                        x = 78/3

x = 26

Largest number = x + 3 = 26 + 3

                           =29

If asked to multiply 18 by 100 quicky, what is the short cut?​

Answers

Answer: 18 x 100 = 1,800

Step-by-step explanation:

You take the 100 and you remove the 2 zeros and put them at the back of 18 to get your answer.

Given points (-2.3) and (9.3), which expression can be used to find the distance between the two points?
191 +31
191-1-21
1-21+131
1-2 + 191

Answers

Answer:

d

Step-by-step explanation:

equalitivietion form akk absolute vaules.

I NEED THE ANSWER I HAVE 15 MINUTES LEFT!!
On a high school varsity baseball​ team, 5 players are​ sophomores, 11 are​ juniors, and 13 are seniors. The team selects 4 honorary​ co-captains by drawing names from a hat.​ What's the probability that all 4​ co-captains come from the same​ class?

Answers

Answer:

4 in 33

Step-by-step explanation:

all you do is add the amount of people and the propability number first

4 in 33

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