Los Angeles workers have an average commute of 34 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 b. Find the probability that a randomly selected LA worker has a commute that is longer than 37 minutes. c. Find the 80th percentile for the commute time of LA workers. minutes

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Los Angeles workers have an average commute of 34 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(
b. Find the probability that a randomly selected LA worker has a commute that is longer than 37 minutes.
c. Find the 80th percentile for the commute time of LA workers.
minutes
Hint:
Helpful videos:
• Find a Probability [+]
• Finding a Value Given a Probability [+]
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F7
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Transcribed Image Text:Los Angeles workers have an average commute of 34 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( b. Find the probability that a randomly selected LA worker has a commute that is longer than 37 minutes. c. Find the 80th percentile for the commute time of LA workers. minutes Hint: Helpful videos: • Find a Probability [+] • Finding a Value Given a Probability [+] Hint A Question Help: Message instructor Submit Question logi *3 F3 F2 17 F7 #3 %24
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