Los Angles workers have An average commute of 29 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 12 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible. I only need help on question b. B.) find the probability that a randomly selected LA worker has a commute that is longer than 30 minutes

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Los Angles workers have An average commute of 29 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 12 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible. I only need help on question b. B.) find the probability that a randomly selected LA worker has a commute that is longer than 30 minutes.
Los Angeles workers have an average commute of 29 minutes. Suppose the LA commute time is normally
distributed with a standard deviation of 12 minutes. Let X represent the commute time for a randomly
selected LA worker. Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X N( 29
12
b. Find the probability that a randomly selected LA worker has a commute that is longer than 30 minutes.
c. Find the 85th percentile for the commute time of LA workers. 41.4372
V minutes o
Transcribed Image Text:Los Angeles workers have an average commute of 29 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 12 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( 29 12 b. Find the probability that a randomly selected LA worker has a commute that is longer than 30 minutes. c. Find the 85th percentile for the commute time of LA workers. 41.4372 V minutes o
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