One year consumers spent an average of ?$23 on a meal at a resturant. Assume that the amount spent on a resturant meal is normally distributed and that the standard deviation is ?$6. Complete parts? (a) and? (b) below.
PLEASE ROUND 4 DECIMAL PLACES AS NEEDED
a. What is the probability that a randomly selected person spent more than ?$26??
b. What is the probability that a randomly selected person spent between ?$6 and ?$21??