Refer to the International Journal of Retail and Distribution Management (Vol. 39, 2011) survey of Black Friday

Question:

Refer to the International Journal of Retail and Distribution Management (Vol. 39, 2011) survey of Black Friday shoppers, Exercise 6.16. One question was, "How many hours do you usually spend shopping on Black Friday?"

a. How many Black Friday shoppers should be included in a sample designed to estimate the average number of hours spent shopping on Black Friday if you want the estimate to deviate no more than .5 hour from the true mean?

b. Devise a sampling plan for collecting the data that will likely result in a representative sample.

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...