You want to invest in companies belonging to Gispa Group of
1
Companies, Inc. so you did some research and found out that companies belonging to this group has an average gain of
0.8
percent and standard deviation of
0.7
percent. Given that a positive percent (gain) means profit and a negative percent means a loss. If you choose
20
companies, what is the probability that the companies are gaining more than
1
percent?

Answers

Answer 1

Answer:

1.2803

Step-by-step explanation:

According to the Question,

Given That, You want to invest in companies belonging to Gispa Group of 1  Companies, Inc. so you did some research and found out that companies belonging to this group have an average gain of 0.8 percent and a standard deviation of 0.7 percent. And, a positive percent (gain) means profit and a negative percent means a loss. If you choose 20 companies.

Therefore, We have Average Gain(ц) = 0.8%

Standard deviation(σ) = 0.7%

Number of Companies(n) = 20

So, the probability that the companies are gaining more than  1  percent is

[tex]X_{i}[/tex] = (σ² × n) / ц  ⇒  (0.7²×20) / (0.8*10) = 1.2803


Related Questions

Please Help!!!!!!!!!

Answers

Answer:

The answer is D. 3

If a and b are two distinct rational numbers, then which of the following statements is true?
a+b is always a rational number while a−b is not always a rational number.
Both a+b and a−b are not always rational numbers.
Both a+b and a−b are always rational numbers.
a+b is not always a rational number while a−b is always a rational number.

pls add explanation if possible

Answers

Answer:

Both are rational.

Step-by-step explanation:

As a rational number can be written in the form p/q where p,q are co-prime integers, let a=p1/q1 b=p2/q2.

And we know the product of two integers is an integer

p1q2, p2q1 are integers. And the sum or difference of two integers is rational, rather being specific, it is an integer.

Thus a+b and a-b is rational.

There are 2 vending
machines in an office
building.
The drink machine is
restocked by Derek every
24 days.
The snack machine is
restocked by Emily every
16 days.
If Derek and Emily met
today, in how many days
will they meet again?

Answers

Answer:

32 days

Step-by-step explanation:

Derek

24 then 48 then 72

Emily

16 then 32 then 48

16 + 16 =32

Answer:

48 days

Step-by-step explanation:

answer is in photo above

find the lowest common multiple of 24 and 16

one fourth of a number is equal to 15/16. write the expression to represnt the above sentence.
note: use x to represent a number.​

Answers

Answer:

1/4x = 15/16

Step-by-step explanation:

1/4x = 15/16

Is 3x – 1= 7 and
3x = 8 equivalent

Answers

Yes simply get rid of the negative 1

Answer:

[tex]\huge\boxed{Answer\hookleftarrow}[/tex]

Take the 1st equation & solve it :-

[tex]3x - 1 = 7 \\ 3x = 7 + 1 \\ 3x = 8[/tex]

Now, take the second equation :-

[tex]3x = 8[/tex]

[You can't further solve this equation]

So, from the 2 solved equations we can see that,

[tex]\large\bold{3x = 8 \ is \ equivalent \ (=) \ 3x = 8 }[/tex]

The answer will be Yes, 3x – 1= 7 and 3x = 8 are equivalent to each other.

____________________

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

# ꧁❣ RainbowSalt2²2² ࿐

Find the area of a circle with radius, r = 6.5m . Give your answer rounded to 2 DP​

Answers

Answer:

A ≈ 132.73 m²

General Formulas and Concepts:

Symbols

π (pi) ≈ 3.14

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Geometry

Area of a Circle Formula: A = πr²

r is radius

Step-by-step explanation:

Step 1: Define

Identify variables

r = 6.5 m

Step 2: Find Area

Substitute in variables [Area of a Circle Formula]:                                         A = (3.14)(6.5 m)²Evaluate exponents:                                                                                         A = (3.14)(42.25 m²)Multiply:                                                                                                             A = 132.732 m²Round:                                                                                                               A ≈ 132.73 m²

Help pleaseeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

-8 X 3 = -24 + 9 = -15 or you could do    -24+9=-15

Step-by-step explanation:

x = 72
Hope this helps

Jeremy is conducting a survey about his coworkers’ in-office water consumption to encourage management to install more water dispensers at their location. He found that the population mean is 112.5 ounces with a standard deviation of 37.5. Jeremy has a sample size of 96. Complete the equation that Jeremy can use to find the interval in which he can be 99.7% sure that the sample mean will lie. 37.5 112.5 75 96 150 9.8

Answers

Using the z-distribution, as we have the standard deviation for the population, it is found that the 99.7% confidence interval is given by:

[tex]112.5 \pm 3\frac{37.5}{\sqrt{96}}[/tex]

What is a t-distribution confidence interval?

The confidence interval is:

[tex]\overline{x} \pm z\frac{\sigma}{\sqrt{n}}[/tex]

In which:

[tex]\overline{x}[/tex] is the sample mean.t is the critical value.n is the sample size.[tex]\sigma[/tex] is the standard deviation for the population.

99.7% confidence level, hence[tex]\alpha = 0.997[/tex], z is the value of Z that has a p-value of [tex]\frac{1+0.997}{2} = 0.9985[/tex], so [tex]z = 3[/tex].

The other parameters are:

[tex]\mu = 112.5, \sigma = 37.5, n = 96[/tex]

Hence, the interval is:

[tex]112.5 \pm 3\frac{37.5}{\sqrt{96}}[/tex]

To learn more about the z-distribution, you can check https://brainly.com/question/25890103

The Chang family is on their way home from a cross-country road trip. During the trip, the function D (t) = 3260 - 55t can be used to model
their distance, in miles, from home after t hours of driving.
part a:find D(12) and interpret the meaning in the context of the problem. part b: if D(t) =2490, find the value of t and interpret its meaning in the context of the problem

Answers

Answer:

See below.

Step-by-step explanation:

D(t) = 3260 - 55t

The function that shows their distance from home as a function of time shows that they started 3260 miles from home and are driving at 55 miles per hour.

part a:

D(12) = 3260  55(12)

D(12) = 3260 - 660

D(12) = 2600

Interpretation: After 12 hours of driving home, they are 2600 miles from home.

part b:

D(t) = 2490

3260 - 55t = 2490

-55t = -770

t = 14

Interpretation: When they are 2490 miles from home, they have driven for 14 hours.

Which equation could be represented by the number line?

A. 3+ (-4) = -1
B. -3 + 4 = 1
C. 1 + (-5) = -4
D. -4 + 5 = 1

Answers

9514 1404 393

Answer:

  A. 3+ (-4) = -1

Step-by-step explanation:

The arrow indicates a subtraction of 4, or an addition of -4. The only equation containing such a subtraction or addition is choice A.

A landscaper is selecting two trees to plant. He has five to choose from. Three of the five are deciduous and two are evergreen.

What is the probability that he chooses trees of two different types? Express your answer as a percent.

30%
40%
50%
60%

Answers

Answer:

The probability that he chooses trees of two different types is 30%.

Step-by-step explanation:

Given that a landscaper is selecting two trees to plant, and he has five to choose from, of which three of the five are deciduous and two are evergreen, to determine what is the probability that he chooses trees of two different types must be performed the following calculation:

3/5 x 2/4 = 0.3

2/5 x 3/4 = 0.3

Therefore, the probability that he chooses trees of two different types is 30%.

Answer:

Actually the right answer is 60%! Not 30 %!  (つД`)・゚・

Step-by-step explanation:

Use substitution to solve the
following system of equations.
-2x + 4y = -18 AND x = y + 3

Answers

Answer:

x = -3 ; y = -6

Step-by-step explanation:

x = y + 3

-2x + 4y = -18

-2(y+3) + 4y = -18

-2y -6 + 4y = -18

2y = -12

y = -6

x = -6+3

x = -3

Answer:

x = -3    y = -6

Step-by-step explanation:

x = y + 3

x - 3 = y

-2x + 4(x - 3) = -18

-2x + 4x - 12 = -18

2x = -6

x = -3

x = y + 3

-3 = y + 3

-6 = y

Find the slope that passes through 9,7 and 2,4

Answers

Answer:

slope is 3/7

Step-by-step explanation:

use the formula y2 - y1 / x2 - x1

There are 8 girls and 12 boys in Miss Reading's homeroom. Five of the girls play sports and 3 do not play sports. Eight of the boys play sports and 4 do not play sports. If a student is selected at random, what is the probability that the student is a boy or plays sports? Express your answer
as a fraction.

Answers

The answer is 17/20.. sorry for the first answer

The answer is 17/24 you are welcome

What is 5/2x + 2y = 5

Answers

Answer:

y= -x+1/2

Step-by-step explanation:

Use an algebraic approach to solve the problem.

Aura took three biology exams and has an average score of 87. Her second exam score was 11 points better than her first, and her third exam score was 5 points better than her second exam. What were her three exam scores?

Answers

Answer:

Her first exam score was a 78, her second exam score was a 89, and his third exam score was a 94.

Step-by-step explanation:

Use the formula for the mean: sum of elements / number of elements

Let x represent her first exam score.

Her second exam score can be represented by x + 11, since it was 11 points better than her first.

Her third exam score can be represented by (x + 11) + 5, since it was 5 points better than her second.

Plug in all of these expressions into the mean formula. Plug in 87 as the mean, and plug in 3 as the number of elements (since there are 3 scores):

mean = sum of elements / number of elements

87 =  ( (x) + (x + 11) + (x + 11) + 5 ) / 3

Add like terms and solve for x:

87 = (3x + 27) / 3

261 = 3x + 27

234 = 3x

78 = x

So, her first score was a 78.

Find her second score by adding 11 to this:

78 + 11 = 89

Find her third score by adding 5 to the second score:

89 + 5 = 94

Her first exam score was a 78, her second exam score was a 89, and his third exam score was a 94.

a sum of money was equally distributed among some boys
had there been 10 boys more​

Answers

Answer:

I think I know what question you are trying to write because it sounds like the question I did years ago.

It is Rs 200

Step-by-step explanation:

Your welcome! :)

Rs 200 ? it just reminds me of my old homework

Factor the expression. b2 + 7b − 18

Answers


b2+7b−18 using ac method. (b-2)(b+9)

The picture is above I’ll mark as brainliest.

Answers

Answer:

A. 42 [tex]u^{2}[/tex]

Step-by-step explanation:

The area of the figure is length × width. The length of the figure is 7 units, and the width is 6 units.

Finding the area:

length × width

= 7 × 6

= 42 [tex]u^{2}[/tex]

Becky says that when she simplifies the following expression, the value is 6 less than her age. What is Becky's age? (7+11) - 8÷2 *
20
14
26
11

Answers

Answer:

Becky's age is equal to 20.

Step-by-step explanation:

The given expression is :

(7+11)-(8÷2)

Using Bodmas rule to solve it furthur,

(18)-4 = 14

According to the given condition, let the age is A.

The value is 6 less than her age,

14 = A-6

or

14+6 = A

A = 20

Hence, Becky's age is equal to 20.


A rope is 9 1/2 meters long. How many pieces can be cut from the rope if
each piece is to be 1/4 meter?

Answers

A rope is 9 1/2 m long because 1/4 m that is your answer because I need points

How many solutions does the system of equations have? Pls help :(

Answers

Given the system of equations below:

[tex] \large{ \begin{cases} y = 2x + 1 \\ - 4x + 2y = 2 \end{cases}}[/tex]

The first equation is y-isolated so we can substitute in the second equation.

[tex] \large{ - 4x + 2(2x + 1) = 2}[/tex]

Use the distribution property to expand in and simplify.

[tex] \large{ - 4x + 4x + 2 = 2} \\ \large{0 + 2 = 2 \longrightarrow 2 = 2}[/tex]

The another method is to divide the second equation by 2.

[tex] \large{ \frac{ - 4x}{2} + \frac{2y}{2} = \frac{2}{2} } \\ \large{ - 2x + y = 1}[/tex]

Arrange in the form of y = mx+b.

[tex] \large{y = 1 + 2x \longrightarrow y = 2x + 1}[/tex]

When we finally arrange, compare the equation to the first equation. Both equations are the same which mean that both graphs are also same and intersect each others infinitely.

For more information, when the both sides are equal for equation - the answer would be infinitely many. If both sides aren't equal (0 = 4 for example) - the answer would be none. If the equation can be solved for a variable then it'd be one solution.

Answer

Infinitely Many

Hope this helps. Let me know if you have any doubts!

Which expression is equivalent to 6^-3​

Answers

Answer:

[tex] {6}^{ - 3} \\ = \frac{1}{ {6}^{3} } \\ = \frac{1}{216} [/tex]

Answer:

1/6^3

Step-by-step explanation:

6^-3

1/6^3

Note if any base has it's power negative then just do its reciprocal the exponent will be positive.

For example:

5^-y

1/5^y

(Please help, Very desperate and I have a limited amount of time to get this done please hurry asap)
Will give brainliest to first who answers

Answers

Answer:

Pic1 answers:

P(blue) = 4/26,

P(yellow or green) = 14/26

P(purple) = 0.0%

P(red or green) = 18/26

P(not pink) = 26/26

P(not blue) = 22/26

Pic2 answers:

P(u) = 1/12

P(Vowel) = 6/12

P(a,b,c,d,e) = 4/12

P(Not A) = 10/12

P(vowel or consonant) = 12/12

P(not an m,s,t) = 9/12

Hey im confused on how to solve this. Can Anyone help me?

Answers

Answer:

The minimum unit cost is $9374.

Step-by-step explanation:

The unit cost C for making x engines is given by the quadratic function:

[tex]C(x)=0.3x^2-162x+31244[/tex]

We want to determine the minimum unit cost.

Since this is a quadratic function with a positive leading coefficient, the minimum value will be its vertex. The vertex of a quadratic can be found using the following formulas:

[tex]\displaystyle \text{Vertex}=\left(-\frac{b}{2a}, f\left(-\frac{b}{2a}\right)\right)[/tex]

In this case, a = 0.3, b = -162, and c = 31244.

Find the x-coordinate of the vertex:

[tex]\displaystyle x=-\frac{(-162)}{2(0.3)}=\frac{162}{0.6}=270[/tex]

In other words, in order to achieve the minimum cost, only 270 engines must be made.

Then to find the minimum cost, substitute the value back into the function. So:

[tex]C(270)=0.3(270)^2-162(270)+31244=\$ 9374[/tex]

The minimum unit cost is $9374.

2(x-7)<-12

Help!! I need this for my math

Answers

Answer:

x < 1

Step-by-step explanation:

2(x-7)<-12

Divide by 2

2(x-7)/2<-12/2

x-7 < -6

Add 7 to each side

x-7+7 < -6+7

x < 1

Use the table to answer the question.

The school cafeteria surveys random students about their favorite food and records the data in the table. If there are 530 students in the school, approximately how many would be expected to choose chicken nuggets?

a. 16 students
b. 40 students
c. 80 students
d. 106 students

Answers

Answer:

in the survey, 16 out of 80 students who where asked favored chicken nuggets.

so we need to calculate like this:

530 * 16/80

=530 * 1/5

=530/5

=106

hope this helps your understanding, wish you good grades

Go step by step to reduce the radical.
V216




Answers

Answer:

[tex]6\sqrt{6}[/tex]

Step-by-step explanation:

[tex]\sqrt{216}[/tex]

factorise 216

[tex]\sqrt{2*2*2*3*3*3}[/tex]

since it is square root (meaning it has index to) pair up the number

[tex]2*3\sqrt{2*3[/tex]

[tex]6\sqrt{6}[/tex]

-31,-22,-33 find the 35th term

Answers

Answer:

easy bro go and use m-a-t-h w-a-y

Step-by-step explanation:

it's going to help

35 points. Brainliest gets double the points.

Answers

the answer is 18 to the question
Other Questions
02:11:13313233Kai looks at a photo of herself with her parents. She notices that while her features are similar to her parents features.they do not appear to be identical.Which explains why this is the case?Their DNA is made of different codon sequences.Their DNA is made of four different bases.Kai inherited more proteins from one parent than the other.Kai inherited different amino acids from either of her parents.MarkthanditumSave and ExitNextSER Match each marketable security with its description. (a) Eurodollar deposit (b) Banker's acceptance (c) Federal agency issue (d) Commercial paper (e) Repurchase agreement (f) Treasury bill (g) Money market mutual fund (h) Negotiable certificate of deposit (i) Treasury note 1. ________ A short term, unsecured promissory note issued by a corporation. 2. ________ An obligation of the U.S. Treasury with common maturities of 91 to 182 days. 3. ________ A portfolio of marketable securities. 4. ________ An arrangement whereby a bank or securities dealer sells specific marketable securities to a firm and agrees to purchase them in the future. 5. ________ An obligation of the U.S. Treasury with mutual maturities of between one and seven years. 6. ________ Negotiable instrument evidencing the deposit of a certain number of dollars in a commercial bank. 7. ________ An instrument issued by the Federal National Mortgage Association. 8. ________ Funds deposited in banks located outside the U.S. and denominated in U.S. dollars. 9. ________ Short term credit arrangement used by businesses to finance transactions with foreign countries or firms with unknown credit capacities. This is Algebra btw.For the functions defined above, fill in the table of values.Explain how we can find the solution to the system of equations using the table. Explain why Thompson's Construction Algorithm is considered to be a proof by induction. Hint: consider what the inductive steps and base cases are. What does Thompson's Construction Algorithm prove FULL FORM OF NASA??lol Please help! 35 points a 20 foot ladder leans against a building. if the ladder is 8 feet from the building, find to the nearest degree, the measure of the angle that the foot of the ladder makes with the ground Hot Topic has a policy of promoting from within. If Hot Topic uses clearly defined selection criteria and a transparent process, employees are likely to think the process is fair and to experience ___, even if they are not chosen for promotion. a. procedural justiceb. interactional justicec. equityd. positive inequitye. distributive justice HELPPP WHICH KNE DO I PICKK LEASE I NEED TO FO THIS JOW Someone please help me out pls help pls help pls help pls help how did the concept of nationalism affect the revolution that occured throughout europe in the 1830s 3. Antoinette is building a rectangular pen with 78 feet of fencing. If the length of the pen is 5feet longer than its width, what are the dimensions of the pen?WidthLengthNUMBER 3 bf3 can be octet or not Is 4 a factor of x^3-6x^2+8x-12 ? Explain how you arrived at your answer. plz help But, the park is three hours away from the school and well have to be back by 3:00 for the busses!what type of sentence is this? imperative, exclamatory, declarative, or interrogative? what part of speech is "if". Which of the following locations often has rules about photography? Public park Museum Beach Zoo When an acid and a base react together, what are the products?A) Acid and SaltB) Salt and BaseC) Base and WaterD) Salt and Water In this food web, what would happen if the zebra population declined dueto a disease?1 pointOA. There would be more competition among the lions, hyenas, and cheetahs.B. The giraffe population would decreaseC. Baboons would have a food shortage.D. The grass population would decrease