The mean number of tavel days per year for salespeople employed by three hardware distributors needs to be estimated with a 0.95 degree of confidence. For a simet pilot stich, the miean was 150 doys and the stendard deviation was 16 days. If the population mean is estimated within two days, how many salespoople should be sampled? Muspite Chorel 904 961 3,908 246