A random sample of 78 shoppers showed that they spend an average of $46.26 per visit at the bookstor
Question: A university dean of students wishes to estimate the average number of hours students spend doing homework per week. The standard deviation from a previous study is 4.78 hours. How large a sample must be selected if he wants to be 97% confident of finding whether the true mean differs from the sample mean by 1.23 hours? Make sure you round appropriately!
Price: $2.99
Solution: The downloadable solution consists of 1 page
Deliverable: Word Document
Deliverable: Word Document