Question

-Suppose a simple random sample of sizen=81 is obtained from a population with μ=75 and σ=36....

-Suppose a simple random sample of sizen=81 is obtained from a population with μ=75 and σ=36.

​(b) What is  P (x>80.4​)? ​(c) What is P( x≤66)​? ​(d) What is P (70.4<x<81.2​)?

-A simple random sample of size n=41 is obtained from a population with μ=65 and σ=14.

Determine P(x<68.1).

​(c) Determine ​P(x ≥67.3).

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A simple random sample of size n=81 is obtained from a population with μ=77 and σ=27....
A simple random sample of size n=81 is obtained from a population with μ=77 and σ=27. ​(a) Describe the sampling distribution of x. ​(b) What is P x>80.9​? ​(c) What is P x≤69.95​? ​(d) What is P 72.8<x<83.9​?
Suppose a simple random sample of size n=36 is obtained from a population with μ= 89...
Suppose a simple random sample of size n=36 is obtained from a population with μ= 89 and σ= 12. Find the mean and standard deviation of the sampling distribution of X. a) What is P (x > 91.4)? b) What is P (x ≤ 84.8)? c) What is P(86< x<93.3)?
Suppose a simple random sample of size nequals=36 is obtained from a population with μ=81 and...
Suppose a simple random sample of size nequals=36 is obtained from a population with μ=81 and sigma equals 6. ​(a) Describe the sampling distribution of x overbarx. ​(b) What is Upper P left parenthesis x overbar greater than 82.55 right parenthesisP x>82.55​? ​(c) What is Upper P left parenthesis x overbar less than or equals 78.85 right parenthesisP x≤78.85​? ​(d) What is Upper P left parenthesis 79.9 less than x overbar less than 82.85 right parenthesisP 79.9<x<82.85​?
Suppose a simple random sample of size n =13 is obtained from a population with μ=...
Suppose a simple random sample of size n =13 is obtained from a population with μ= 68 and σ =16. ​(a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample​ mean? Assuming the normal model can be​ used, describe the sampling distribution x. ​(b) Assuming the normal model can be​ used, determine ​P(x < 72.2 ). ​(c) Assuming the normal model can be​ used, determine ​P(x...
A simple random sample of size n=11 is obtained from a population with μ=68 and σ=17....
A simple random sample of size n=11 is obtained from a population with μ=68 and σ=17. ​(a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample​ mean? Assuming that this condition is​ true, describe the sampling distribution of barx. ​(b) Assuming the normal model can be​ used, determine ​P(bar x < 71.4​). ​(c) Assuming the normal model can be​ used, determine ​P(bar x ≥ 69.6​).
Suppose a simple random sample of size n=39 is obtained from a population with μ=6666 and...
Suppose a simple random sample of size n=39 is obtained from a population with μ=6666 and σ=14. P(x overbar < 69.2) = P(x overbear great than or equal to 67.8) =
A simple random sample of size n=13 is obtained from a population with μ=67 and σ=16....
A simple random sample of size n=13 is obtained from a population with μ=67 and σ=16. ​(a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample​ mean? Assuming that this condition is​ true, describe the sampling distribution of x. ​(b) Assuming the normal model can be​ used, determine ​P(x<70.9​). ​(c) Assuming the normal model can be​ used, determine ​P(x≥68.9​). ​(a) What must be true regarding the...
Suppose a simple random sample of size n=81 is obtained from a population with mu=89 and...
Suppose a simple random sample of size n=81 is obtained from a population with mu=89 and sigma=27. ​(a) Describe the sampling distribution of x overbar. ​(b) What is P(x overbar > 92.9)? ​(c) What is P( x overbar < or equals 82.7)​? ​ (d) What is P(86 < x overbar < 96.35)​?
Suppose a simple random sample of size n+75 is obtained from a population whose size is...
Suppose a simple random sample of size n+75 is obtained from a population whose size is N=10,000 and whose population proportion with a specified characteristic is p= 0.6 . Complete parts ​(a) through​ (c) below. ​(a) Describe the sampling distribution of p^. Choose the phrase that best describes the shape of the sampling distribution below. A.) Not normal because n<_ 0.05N and np(1-p)<10. B.) Approximately normal because n<_0.05N and np(1-p)>_10. C). Not normal because n<_0.05N and np(1 -p)>_10. D). Approximately...
A simple random sample of size n equals =10 is obtained from a population with μ...
A simple random sample of size n equals =10 is obtained from a population with μ equals = 62 and σ equals = 18. ​(a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample​ mean? Assuming that this condition is​ true, describe the sampling distribution of x overbar x. ​(b) Assuming the normal model can be​ used, determine ​P( x overbar x less than < 65.7​)....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT