Answer to Question #331353 in Statistics and Probability for Jam

Question #331353

INTERVAL ESTIMATE


4. Suppose that the amount of time spend by working student weekly is normally distributed with the standard deviation of 25 minutes. A random sample of 125 observations is drawn and the sample mean is computed as 150 minutes. Determine the 95% confidence interval estimate of the population mean.



1
Expert's answer
2022-04-25T16:08:41-0400

"CI=\\mu \\plusmn z \\sigma\/\\sqrt{n}=150 \\plusmn 1.96x25\/\\sqrt{125}=150 \\plusmn 4.38"


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS