Heights of women are normally distributed with mean of 63.6 inches and standard deviation of 2.5 inches. The USA Army requires women's heights to be between 58 inches and 80 inches. Find the % of women meeting that requirement. Are many women being denied the opportunity to join the Army because they are too short or too tall?

Answers

Answer 1

Approximately 98.7% of women meet the height requirement for the USA Army, as the range of 58 to 80 inches falls within three standard deviations of the mean. This suggests that only a small fraction of women are being denied the opportunity to join due to their height.

To find the percentage of women meeting the height requirement, we can calculate the proportion of women within the specified range.

First, we need to standardize the lower and upper bounds of the range using the formula:

Z = (X - μ) / σ

where Z is the standardized score, X is the height value, μ is the mean height, and σ is the standard deviation.

For the lower bound (58 inches):

Z1 = (58 - 63.6) / 2.5 = -2.24

For the upper bound (80 inches):

Z2 = (80 - 63.6) / 2.5 = 6.56

Next, we need to find the proportion of women within the range by looking up the corresponding z-scores in the standard normal distribution table.

The area under the curve between -2.24 and 6.56 represents the proportion of women meeting the height requirement. However, since the distribution is symmetrical, we only need to consider the positive z-score.

By looking up the z-score of 6.56 in the standard normal distribution table, we find that the area to the left of this z-score is approximately 1. This means that roughly 100% of women fall within 6.56 standard deviations above the mean.

Since the requirement is 3 standard deviations below and 6.56 standard deviations above the mean, we can subtract the proportion outside this range from 1 to find the percentage meeting the requirement:

Percentage = 1 - (0.5 - 0.5) = 0.987 or approximately 98.7%

Therefore, approximately 98.7% of women meet the height requirement for the USA Army, suggesting that only a small fraction of women are being denied the opportunity to join due to their height.

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Related Questions

Need help ASAP! Need help ASAP will mark you as brainiest!

Need help ASAP! Need help ASAP will mark you as brainiest!

Answers

Answer:

\(r=\frac{44}{\pi }\)

Step-by-step explanation:

\(88=2\pi r\)

\(\mathrm{Switch\:sides}\\2\pi r=88\\\frac{2\pi r}{2\pi }=\frac{88}{2\pi }\\r=\frac{44}{\pi }\\or\\r=14.00563\)

Answer:

2 metres

Step-by-step explanation:

Circumference = 2 × π × r

→ Substitute in the values

88 = 2 ×  \(\frac{22}{7}\)  × r

→ Divide both sides by 2 to isolate  \(\frac{22}{7}\)  and r

44 =  \(\frac{22}{7}\)  × r

→ Multiply everything by 7 to get rid of the fraction

308 = 22 × 7r

→ Divide the equation by 22 to isolate 7r

14 = 7r

→ Divide the equation by 7 to isolate r

2 = r

The radius of the circle with a circumference of 88 meters is 2 metres


will give brainliest

will give brainliest

Answers

Answer:

4/3

Step-by-step explanation:

FASTTTT HELPPP will mark brainly
“A cube has edges all of 6cm. A cuboid with the same volume has a side of 4cm and a side of 6cm. As one side is 2cm shorter than one of the sides of the cube, to keep the volume the same the other side must be made 2cm longer. so how many cubic centimeters is it?

Answers

Answer:

216 cubic centimeters

Step-by-step explanation:

The details of the word problem are as follows;

The length of the edges of a cube, s = 6 cm

The volume of the cuboid = The volume of the cube

The length of a side of the cuboid = 4 cm

The length of the other side of the cuboid - 6 cm

The volume of the cube, V = 6 cm × 6 cm × 6 cm = 216 cm³

The volume of the cuboid, \(V_c\) = 4 cm × 6 cm × T

Where 'T' represent the length of the third side

Therefore, 'T' = 216 cm³/(4 cm × 6 cm) = 9 cm

The length of the third side, T = 9 cm

The volume of the cuboid = The volume of the cube = 216 cm³

HELP ASAP THIS DUE TODAY FOR MY BRO

HELP ASAP THIS DUE TODAY FOR MY BRO

Answers

Answer:

I think it's 10 or 10.5 not sure

Step-by-step explanation:

Suppose that the dollar v (t) of a certain house that is t years old is given by the fallowing exponential functionV(t) = 659,500(0.79)^t

Answers

- The initial value of the function is obtained when t=0. Replace this value into the formula for V(t):

V(0) = 659,000(0.79)⁰ = 659,000

- The function represent a decay because the factor exponentiated, 0.79, is lower than 1.

- 0.79 represents a decay of

1 - 0.79 = 0.21

which is equivalent to a decay of 21%

i attached a photo and i need help

i attached a photo and i need help

Answers

Vertical asymptote: x=-1
No horizontal asymptotes
No x or y intercepts
Hole:(0,0)

Jason is running in a relay race. He runs 1/3 of a mile and then passes the
baton to his partner who runs 4/9 of a mile. How long is the total race?

Jason is running in a relay race. He runs 1/3 of a mile and then passes thebaton to his partner who runs

Answers

Answer:

The race is 7/9 miles long

Step-by-step explanation:

1/3 = 3/9

3/9 + 4/9 = 7/9

evaluate the following intervals
x^-4dx​

Answers

Answer:

simplified:

\(\frac{d}{x^3}\)

and Find the integral if that's what you also wanted:

\(-\frac{1}{3x^3} +3\)

PLEASE HELP!!!!!!!!!
Solve the equation showing all work.
7 + 14 = −21

Answers

False -The equality is false because one side is positive and other is negative

plz help ignore the 14 though

plz help ignore the 14 though

Answers

Answer:

x=66

Step-by-step explanation:

plz help ignore the 14 though

Answer:

sorry i don't know

Step-by-step explanation:

The Tribonacci numbers are similar to the Fibonacci numbers. In the case of the Tribonacci numbers, the value of three terms are defined and the subsequent terms are equal to the sum of the previous three terms. So, the nth Tribonacci number, T(n) is determined by 0 if n = 0 0 if n=1 T(n)= 1 if n = 2 T(n-1)+T(n-2)+T(n-3) otherwise Define a ScHEME function, named (tribonacci n), which computes the nth Tribonacci number.

Answers

In this implementation of the "tribonacci" function in Scheme allows you to compute the nth Tribonacci number accurately by following the defined recursive formula.

In Scheme, we can define a recursive function named "tribonacci" to compute the nth Tribonacci number. The function will take an integer argument "n" and return the corresponding Tribonacci number.

Here's the implementation of the "tribonacci" function in Scheme:

```scheme

(define (tribonacci n)

 (cond ((= n 0) 0)

       ((= n 1) 0)

       ((= n 2) 1)

       (else (+ (tribonacci (- n 1))

                (tribonacci (- n 2))

                (tribonacci (- n 3))))))

```

The function uses a recursive approach to compute the Tribonacci number. It checks the base cases where n is 0, 1, or 2, and returns the corresponding values.

For n greater than 2, it recursively calculates the Tribonacci number by summing the previous three terms: (tribonacci (- n 1)), (tribonacci (- n 2)), and (tribonacci (- n 3)).

Therefore, this implementation of the "tribonacci" function in Scheme allows you to compute the nth Tribonacci number accurately by following the defined recursive formula.

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You charge people $10 per hour to pick fruits and $8 per hour
to water flowers. The equations model the money you earn for
h hours by given as Picking fruits: m = 10h and Watering
flowers: m = 8h. Graph the equations, then see how much more you can earn from picking fruits than from watering flowers after 6 hours.

Answers

Fruits :
Y=10(h)

Flowers;
Y=8(h)

Given: h=6

Fruits:
10(6) = $60

Flowers:
8(6)= $48

Back to the question, how much more from picking fruits?

$60 - $48 = $12 more picking fruits.

Hope this helps!
You charge people $10 per hour to pick fruits and $8 per hourto water flowers. The equations model the

Given m||n, find the value of x.
Plz help :)

Given m||n, find the value of x.Plz help :)

Answers

Answer:

x is = 25° by complimentary angles

The person who commented first is right about being 25 degrees

Identify the vertex of the function, fx) = 3(x - 1)2 + 5.

Answers

Answer:

fx) = \(3x+4\)

Step-by-step explanation:

1. step:

solve the bracket

fx) = 3(\(x\) - 1) 2 + 5

\(fx) = 3x-1+2+5\)

2. step:

use the BEDMAS form.

fx) = \(3x-3+7\)

fx) = \(3x+4\)

You can use a table to find a constant rate of change a) The table shows the amount of money a booster club makes washing cars for a fundraiser. Use the information to find the constant rate of change in dollars per car

Answers

Answer: $8

From the table given, we obtained the below information

Number of cars Money ($)

5 40

10 80

15 120

20 160

Calculate the constant rate of change in dollars per car

For the first given data

The total number of cars washed is 5

The total money to washed the 5 cars is $40

Rate of change in dollars per car = Total amount of money / the total number of cars

Rate of change = 40 / 5

= $8

The same procedure applicable to the rest data

For 10 cars and $80

The rate of change in dollars per car =80/10

= $8

For 15 cars and $120

The rate of change in dollars = 120 / 15

= $8

For 20 cars and $160

The rate of change in dollars per car = 160 / 20

= $8

The constant rate of change in dollars per car is $8

The answer is $8

Factor x^2 -2x -35 please

Answers

Ok so for factoring you want to take the a*c and it should add up to b
So a is the coefficient in front of x
C is the constant
So you get what factors of -35 adds up to -2
The answer is -7 and 5
Which means you can factor it as (x-7)(x+5)

can you simplify it Please ​

can you simplify it Please

Answers

Answer:

\( \sqrt[3]{ \frac{ {y}^{5} }{27 {y}^{3} } } = \sqrt[3]{ \frac{ {y}^{3} ({y}^{2}) }{27 {y}^{3} } } \\ \\ \\ = \sqrt[3]{ \frac{ {y}^{2} }{27} } = \frac{ \sqrt[3]{ {y}^{2} } }{ \sqrt[3]{27} } \\ \\ \\ = \frac{ \sqrt[3]{ {y}^{2} } }{3} \)

I hope I helped you^_^

Of the following statements, which one or ones describe actions helpful to your credit score? I. Quickly paying off debts II. Having recent debts III. Having long-standing lines of credit.

Answers

Of the given statements, the action helpful to your credit score is having long-standing lines of credit.

Of the given statements, the ones that describe actions helpful to your credit score are:

I. Quickly paying off debts: Paying off debts promptly is generally beneficial for your credit score. It demonstrates responsible financial behavior and shows that you can manage your debts effectively. Timely debt repayment indicates to lenders that you are reliable and can be trusted with credit.

III. Having long-standing lines of credit: Having long-standing lines of credit can positively impact your credit score. Lengthy credit history allows credit agencies to assess your borrowing behavior over an extended period. If you have a history of responsibly managing credit accounts over time, it reflects positively on your creditworthiness and can improve your credit score.

On the other hand, statement II. Having recent debts does not necessarily describe an action helpful to your credit score. Recent debts alone do not directly contribute to improving your credit score. The impact on your credit score depends on how you manage those debts and make timely payments.

It's important to note that these actions are general guidelines, and the overall impact on your credit score may vary based on various factors and individual circumstances. Other factors such as credit utilization, types of credit, and overall credit management also play a role in determining your credit score.

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what is the probability that a randomly chosen person has either no opinion, no confidence, or very little confidence in small businesses? find the similar probability for big businesses.

Answers

The probability that a randomly chosen person has either no opinion, no confidence, or very little confidence in small businesses can be found by adding the probabilities of each of these individual events occurring.

This can be done using the formula P(A or B or C) = P(A) + P(B) + P(C) - P(A and B) - P(A and C) - P(B and C) + P(A and B and C).

Similarly, the probability for big businesses can be found using the same formula.
It is important to note that the probabilities of these events occurring must be known in order to calculate the overall probability.

Without this information, it is not possible to determine the probability that a randomly chosen person has either no opinion, no confidence, or very little confidence in small or big businesses.

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9/7 as a reciprocal

Answers

Answer:

7/9

Step-by-step explanation:

Just flip the numbers around.

What numbers do we need to round to the nearest 100?
100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200
0, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1,000
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70

Answers

All the way up till 150

Those activities that enable a person to describe in the detail the system that solves the need is called?

Answers

Those activities that enable a person to describe in the detail the system that solves the need is called "System design".

What is a system design?

The method of defining the components of a system consists, modules, and components, the various interfaces of those components, and the data that flows through that system is known as system design.

Some key features regarding the system design are-

It is intended to meet unique objectives and needs of a company or group by creating a cohesive and well-functioning system.The systematic approach to system design is implied by the term systems design. It may take a bottom-up as well as top-down approach, but in either case, the process is systematic in that it considers all associated factors of the system that must be created—from the architecture to the necessary hardware and software, all the way down to the data and in how it travels as well as transforms throughout its journey through the system.

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xercise: axioms 1 point possible (graded) let and be events on the same sample space, with and . can these two events be disjoint?

Answers

No, these two events cannot be disjoint. Disjoint events, also known as mutually exclusive events, are events that cannot occur simultaneously.

In other words, if events A and B are disjoint, it means that the occurrence of one event excludes the possibility of the other event occurring.

However, in this case, we are given that P(A) > 0 and P(B) > 0. This means that both events A and B have non-zero probabilities of occurring. Since both events have a positive probability, they cannot be disjoint because there is a possibility of their intersection, where both events occur simultaneously.

Disjoint events would have the property that P(A ∩ B) = 0, indicating that their intersection is an empty set. But given that P(A) > 0 and P(B) > 0, it implies that there is some non-zero probability for the events A and B to occur together, making them not disjoint.

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find the area of the triangle having the given vertices. (0, 4), (2, 4), (−1, 6)

Answers

Answer:

2

Step-by-step explanation:

Use the area of a triangle, given 3 points formula:

A:  (x1, y1) = (0,4)

B:  (x2, y2) = (2,4)

C:  (x3, y3) = (-1,6)

Area = 1/2|x1y2 - x2y1 + x2y3 - x3y2 + x3y1 - x1y3|  

plug in all the coordinates

Area = 1/2|(0·4) - (2·4) + (2·6) - (-1·4) + (-1·4) - (0·6)|

         = 1/2|0 - 8 + 12 + 4 - 4 - 0|

         = 1/2|-8 + 12 + 4 - 4|

         = 1/2|4|

         = 2

At a sale, the $39.97 original price of the shirt was marked down to $15.99. About
what percent of decrease is this?

Answers

249.96

Step by step solution

39.97x100 divided by 15.99 gives the the answer


each problem, create a table
Write an equation, in slope-intercept form, to model each situation.
1. You rent a bicycle for $20 plus $2 per hour.
Y=2x120

Answers

Answer:

You have a fixed cost ($20) and a variable cost ($2*number of hours you rent the bike)

Cost = Variable Cost + Fixed Cost

Let y = your Cost and x = the number of hours you rent the bike.  The fixed cost is $20.

y = ($2 per hour)*(x hours) + $20

y = 2x + 20

The percentage 21 is of 28 is equal to the percentage 30 is of 40 is




True or false

Answers

Answer:

No

Step-by-step explanation:

75%

21

28 5.88

21 x 28

100

= 5.88

x 100% = 75%33.3333333333%

28 - 21

21

x 100% = 33.3333333333%

Answer:

true

Step-by-step explanation:

18 24 11 What is the area of the triangle shown? A.99 square units
В. 132 square units
C. 198 square units
D.264 square units​

Answers

Answer: I think B

Step-by-step explanation:

Find the sum of 8/9 and 3/4. Enter the numerator followed by the denominator separated by a comma.

Answers

After finding the LCM, the sum of 8/9 and 3/4 is 59/36

In the given question, we have to find the sum of 8/9 and 3/4.

The given numbers are 8/9 and 3/4

Sum = 8/9 + 3/4

The denominator of the both number are different. So to find the sum we find the LCM of the both number 9 and 4.

So the LCM of 9 and 4 is 36.

Multiply 4 on the number 8/9 and 9 on the number 3/4. So

Sum = \(\frac{8}{9}\times\frac{4}{4}+\frac{3}{4}\times\frac{9}{9}\)

Sum = 32/36 + 27/36

Now the denominator is same. So now we add them.

Sum = (32+27)/36

Sum = 59/36

Hence, the sum of 8/9 and 3/4 is 59/36.

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Solve the given differential equation by undetermined coefficients
1/4 y'' + y' + y = x2 − 3x

Answers

y ( x) =  \(C_{1} e^{-2x} + C_{2} e^{-2x} + x^{2} - 5 x + \frac{9}{2}\) is the result of solving the subsequent differential equation with unknown coefficients.

What do you mean by differential equation ?

One or more functions and [some of] their derivatives are connected by a differential equation. The [first] derivative of the function with respect to the variable is illustrated in the following example. Differentials are a term used to describe the and elements.

given

1/4 y'' + y' + y = x2 − 3x

The auxilary equation is

1/4 \(m^{2}\) + m + 1 = 0

\(m^{2}\) + m + 1 = 0

\(( m- 2)^{2}\) = 0

m = -2 , -2

= A =1 , 2A+ B = -3 , 1/2A + B = 0

A = 1 , B = - 5 , C = 9/ 2

Then the general solution is

y = yc + yp

y ( x) =  \(C_{1} e^{-2x} + C_{2} e^{-2x} + x^{2} - 5 x + \frac{9}{2}\) is the result of solving the subsequent differential equation with unknown coefficients.

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