Question

Pizza Guy pizza delivery time for a pizza is

approximately normally distributed with a
mean of 22 minutes and a standard deviation
of 5. Pizza Guy guarantees delivery within 30
minutes or the pizza is free. What percent of
customers will get a free pizza?
a) 3.5% b) 4.5% c) 5.0% d) 5.5% e) 6.5%

Answer 1

5.5%

Explanation:

the pizza is free 5.5 so he need to deliver the pizza on time