# Question: Refer to Exercise 6 11 a Calculate the mean flight time

Refer to Exercise 6.11.

a. Calculate the mean flight time and the standard deviation of the flight time.

b. Find the probability that the flight time will be within one standard deviation of the mean.

a. Calculate the mean flight time and the standard deviation of the flight time.

b. Find the probability that the flight time will be within one standard deviation of the mean.

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