Question

A physical therapist wants to determine the difference in the proportion of men and women who...

A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if he wishes the estimate to be within three percentage points with 95​%​confidence, assuming that ​

(a) he uses the estimates of 22.4​% male and 19.3​% female from a previous​ year? ​ n=?

(b) he does not use any prior​ estimates? n=?

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 physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. what sample size should be obtained if he wishes the estimates to be within three percentage points with a 95% confidence, assuming that a) he uses the estimate of 22.7% male and 19.1% female from a previous year? b) he does not use any prior estimates?
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if she wishes the estimate to be within two percentage points with 90% confidence, assuming that (a) she uses the estimates of 21.8% male and 19.3% female from a previous year? (b) she does not use any prior estimates?
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if he wishes the estimate to be within five percentage points with 99​% ​confidence, assuming that ​(a) he uses the estimates of 22.7​% male and 18.4​% female from a previous​ year? ​(b) he does not use any prior​ estimates? a) n= b) n=
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if he wishes the estimate to be within five percentage points with 99​% ​confidence, assuming that ​(a) he uses the estimates of 21.3​% male and 18.2​% female from a previous​ year? ​(b) he does not use any prior​ estimates?
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if he wishes the estimate to be within two percentage points with 90​% confidence, assuming that ​(a) he uses the estimates of 21.6​% male and 19.8% female from a previous​ year ​(b) he does not use any prior​ estimates?
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if she wishes the estimate to be within four percentage points with 95% confidence, assuming that a) she uses the estimates of 21.8% male and 19.6% female from a previous year? b) she does not use any prior estimates?
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if he wishes the estimate to be within two percentage points with 90​% ​confidence, assuming that ​(a) he uses the estimates of 21.9​% male and 19.8​% female from a previous​ year? ​(b) he does not use any prior​ estimates? (a) n= __ ​(Round up to the nearest whole​ number.) (b) n=___(Round up...
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if hehe wishes the estimate to be within fourfour percentage points with 9999​% ​confidence, assuming that​(a) hehe uses the estimates of 22.522.5​% male and 18.418.4​% female from a previous​ year?​(b) hehe does not use any prior​ estimates?
A physical therapist wants to determine the difference in the proportion of men and women who...
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if she wishes the estimate to be within four percentage points with 90​% ​confidence, assuming that ​(a) she uses the estimates of 22.8​% male and 19.4​% female from a previous​ year? ​(b) she does not use any prior​ estimates?
a physical therapist wants to determine the difference in the proportion of men and women who...
a physical therapist wants to determine the difference in the proportion of men and women who participate in regualr sustained physical activity. what sample size should be obtained if he wishes the estimate to be within two percentage points witb 90% confindence, assuming that, a) he uses the estimates of 21.3% male and 18.2% female from previous year b) he does not use any prior estimates
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT