Based on recent experience, you expect this Saturday's total receipts to have a mean of $2,353.25 and a standard deviation of $291.63 and to be normally distributed.
a. Find the probability of a typical Saturday, defined as total receipts between $2,000 and $2,500.
b. Find the probability of a terrific Saturday, defined as total receipts over $2,500.
c. Find the probability of a mediocre Saturday, defined as total receipts less than $2,000.