Question: A corporation has 272 accounts receivable in a particular category

A corporation has 272 accounts receivable in a particular category. A random sample of 50 of them was taken. The sample mean was $492.36, and the sample standard deviation was $149.92.
a. Find a 99% confidence interval for the population mean value of these accounts receivable.
b. Find a 95% confidence interval for the total value of these accounts receivable.
c. Without doing the calculations, state whether a 90% confidence interval for the population total would be wider or narrower than the interval found in part b.

View Solution:


Sale on SolutionInn
Sales0
Views62
Comments
  • CreatedJuly 07, 2015
  • Files Included
Post your question
5000