A secretary in an office is doing belk -mailing. The experiment is to check and see how many pieces of mail the sent.
(a) without putting stamps? (b) with an insufficient value of stamps (c) With wrong address labels? What topic is this?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96