Answer stat questions pt 2

Can you help me understand this Statistics question?

9. Pic below…multiple parts

12. Pic below…multiple parts

13. Pic below… 1 additional part

15. Pic below…1 additional part

16. Assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. The sample standard deviation is given below.

Margin of error =$6, standard deviation =$25

The required sample size is .

(Round up to the nearest whole number as needed.)


"Looking for a Similar Assignment? Order now and Get a Discount!

Open chat
Need a Paper Done?
Can we help you?