Category: Uncategorized

A, B, C, or D?

Please upload your worked out problem set. You may scan it, upload a picture or upload a Word document with pictures pasted in it. Please include all problems.

HR surveys a big chunk of the company’s employees and applies a finite population correction factor when reporting the results. Why does that make sense?

Q3 – what is the margin of error? (2 decimal places)

Q4 – what is the desired margin of error?

Q4 – what size sample should be taken?

Leadership says they want to be more confident in the numbers coming from a customer survey and asks you to make that happen. What’s the best move?

Q2 – what is the upper limit for the requested confidence interval? (2 decimal places)

Q1 – what is the probability that the mean amount spent per person will be less than $56.00? (4 decimal places)

Q1 – What is the standard error? (2 decimal places)