In Exercise 9.20, if the sample size had been n = 5 instead of n = 30,

Question:

In Exercise 9.20, if the sample size had been n = 5 instead of n = 30, what assumption would have to be made about the population distribution of filling weights in order to use z values in constructing the confidence interval?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...