Oneseason, the average little league baseball game averaged 2

hours and 36minutes (156minutes) to complete. Assume the length of games follows the normal distribution with a standard deviation of 10minutes.

Complete parts a through d below.

a. What is the probability that a randomly selected game will be completed in less than 140 minutes.

The probability that a randomly selected game will be completed in less than 140 minutes is _____ ?(Round to four decimal places asneeded.)

b. What is the probability that a randomly selected game will be completed in more than 140 minutes ?

The probability that a randomly selected game will be completed in more than 140minutes is ______ ?(Round to four decimal places asneeded.)

c. What is the probability that a randomly selected game will be completed in exactly 140 minutes ?

The probability that a randomly selected game will be completed in exactly 140 minutes is _____ ?(Round to four decimal places asneeded.)

d.What is the completion time in which 97.5% of the games will befinished? About 97.5% of the games will be finished in ______minutes or less.

(Round to two decimal places asneeded.)