Los Angles workers have an average of 32 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 15 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Los Angles workers have an average of 32 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 15 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible.
b. Find the probability that a randomly selected LA worker has a commute that is longer than 31 minutes.
minutes
c. Find the 75th percentile for the commute time of LA workers.
Hint:
Transcribed Image Text:b. Find the probability that a randomly selected LA worker has a commute that is longer than 31 minutes. minutes c. Find the 75th percentile for the commute time of LA workers. Hint:
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