Question

Salaries of 34 college graduates who took a statistics course in college have a​ mean, x...

Salaries of 34 college graduates who took a statistics course in college have a​ mean, x overbar​, of \$ 68 comma 500. Assuming a standard​ deviation, sigma​, of ​\$12 comma 046​, construct a 99​% confidence interval for estimating the population mean mu. Click here to view a t distribution table.LOADING... Click here to view page 1 of the standard normal distribution table.LOADING... Click here to view page 2 of the standard normal distribution table.LOADING... ​\$ nothingless than muless than​\$ nothing ​(Round to the nearest integer as​ needed.)

Homework Answers

Answer #1

Since population standard deviation is known, Use z-distribution.

 Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.005))" to find the Z-value.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question