A department store manager wants to estimate the mean amount spent by all customers at this store at a 98% confidence le
Posted: Wed May 11, 2022 5:28 pm
A department store manager wants to estimate the mean amount
spent by all customers at this store at a 98% confidence
level. The manager knows that the standard deviation of amounts
spent by all customers at this store is $33. What minimum sample
size should he choose so that the estimate is within $3 of the
population mean?
n =
spent by all customers at this store at a 98% confidence
level. The manager knows that the standard deviation of amounts
spent by all customers at this store is $33. What minimum sample
size should he choose so that the estimate is within $3 of the
population mean?
n =