Question

“Is live lecture over Zoom an effective way to conduct online lectures?” A pilot sample of...

“Is live lecture over Zoom an effective way to conduct online lectures?” A pilot sample of 50 students of UM reveals that 18 of them gave a positive response. If a researcher wants to estimate the proportion of positive responses from all the students of UM, what should be the minimum sample size used if she wants the width of a 95% confidence interval estimate to be 0.10?

Select one:

A. 385

B. 97

C. 355

D. 89

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 publisher sends advertising material for a statistics text to 90% of all professors teaching the...
A publisher sends advertising material for a statistics text to 90% of all professors teaching the appropriate statistics course. Twenty-five percent of the professors who received this material adopted the book. Fifteen percent of the professors who did not receive the material also adopted the book. If a professor adopts the book, what is the probability that he has received the advertising material? Select one: a. 0.2500 b. 0.9375 c. 0.0375 d. 0.2250 “Is live lecture over Zoom an effective...
It is desired to estimate the proportion of students at UM who consider live Zoom lecture...
It is desired to estimate the proportion of students at UM who consider live Zoom lecture is an effective way to conduct online lectures. Responses were randomly collected from 50 students and the 95% confidence interval was calculated to be (0.227, 0.493). Which of the following interpretation is correct? a. We are 95% confident that the proportion of all students at UM who consider live Zoom lecture is an effective way to conduct online lectures falls between 0.227 and 0.493....
The diameters of a random sample of 20 products made by a certain machine during one...
The diameters of a random sample of 20 products made by a certain machine during one month showed a mean of 0.93 inch and a sample standard deviation of 0.05 inch. Assume the population is normally distributed, find a 95% confidence intervals for the mean diameter of all the products. Select one: a. 0.9066 to 0.9534 inch b. 0.9081 to 0.9519 inch c. 0.9248 to 0.9352 inch d. 0.9107 to 0.9493 inch “Is live lecture over Zoom an effective way...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT