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Morgarella [4.7K]
2 years ago
12

Need help with math PART 3

Mathematics
2 answers:
Llana [10]2 years ago
4 0

Answer: x= 40, x= 17,x= 5, x=83

Step-by-step explanation:

These are the answers in order :)

mixas84 [53]2 years ago
3 0

Answer:

1. x=40

2. x=17

3. x=5

4. x=83

Step-by-step explanation:

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A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained p
Oliga [24]

Answer:

no of sample within two percentage points  is 5409

no of sample not use prior​ estimates is 8321

Step-by-step explanation:

Given data

E = 2% = 0.02

male m = 21.2 % = 0.212

female f = 19.7 % = 0.197

to find out

no of sample within two percentage points and if does not use any prior​ estimates

solution

first we calculate no of sample within two percentage points

we know Z critical value for 99% is 2.58

so no of sample will be

n = (Z / E )² × m(1-m) + f ( 1-f )

put all the value we get no of sample

n = (2.58 / 0.02 )² × 0.212 ( 1 - 0.212 ) + 0.197 ( 1 - 0.197 )

n =  16641 ×0.3250

no of sample within two percentage points  is 5409

in 2nd part no of sample not use prior​ estimates

here than f and m will be 0.5

than

n = (Z / E )² × m(1-m) + f ( 1-f )

put all value

n = (2.58 / 0.02 )² × 0.5 ( 1 - 0.5 ) + 0.5 ( 1 - 0.5 )

n =  16641 ×  0.5

no of sample not use prior​ estimates is 8321

7 0
3 years ago
Please please help me out!!!!!!!!!!!!!!!!!!!!!!!!!!
nexus9112 [7]
I hope it can help you

4 0
3 years ago
Read 2 more answers
Find the value of x<br> A. 8 <br> B. 4<br> C. 19<br> D. 24
hodyreva [135]
<h3>Hello There!!</h3>

Given figure is a <u>parallelogram</u>

<u>To </u><u>Find</u>

Value of"x"

<h3><u>Solution</u></h3>

m \angle \: A = m \angle  \: C

2x + 35 = 5x - 22

\implies 2x - 5x =  - 22 - 35 \div  \\  \implies - 3x =  - 57 \\   \\ \implies x =  \frac{ - 57}{ - 3}  \\  \\  \implies  x =  \cancel\frac{ - 57}{ - 3} \\  \\  \implies x = 19

\therefore \text{Option C= 19 is the correct answer}

<h3>Hope this helps</h3>
4 0
2 years ago
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