One year consumers spent an average of $24 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is $5. Complete parts(a) and(b) below.

a. What is the probability that a randomly selected person spent more than $28?

P(X > $28) =

b. What is the probability that a randomly selected person spent between $12 and $21?

P($12 < X <$21) =