How many computers: in a simple random sample of 125 households, the sample mean number of personal computers was 1.02. Assume the population standard deviation is = 0.7. Construct a 99.8% confidence interval for the mean number of personal computers is?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

If a || b and e || f , what if the value of y ?