A radio station claims that the amount of advertising each hour has a mean of 15 minutes and a standard deviation of 2.9 minutes
. You listen to the radio station for 1 hour and observe that the amount of advertising time is 16 minutes. Calculate the z-score for this amount of advertising time. Round to the nearest hundredth.
$21.44•.25=$5.36 So if you are asking just how much the shipping and handling is it’s $5.36 but if you are asking the total it’s. $26.80 $21.44+$5.36=$26.80