☆
13. The amount of ice cream in an ice cream cone has a distribution with a mean amount of 3.2 ounces
per cone and a standard deviation of 0.6 ounces. If there are 40 kids at a birthday party, what is
the probability that more than 138 ounces of ice cream will be served? (Hint: Find average amount
of ice cream served per kid at the party)