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Los Angeles workers have an average commute of 33 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 13 minutes. Let X represent the commute time for a randomly selected LA worker. a. What is the distribution of X? X - N 33 13. b. Find the probability that a randomly selected LA worker has a commute that is longer than 40 minutes. Round to 4 decimal places. c. Find the 85th percentile for the commute time of LA workers. Round to 2 decimal places. minutes

Los Angeles workers have an average commute of 33 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 13 minutes. Let X represent the commute time for a randomly selected LA worker. a. What is the distribution of X? X - N 33 13. b. Find the probability that a randomly selected LA worker has a commute that is longer than 40 minutes. Round to 4 decimal places. c. Find the 85th percentile for the commute time of LA workers. Round to 2 decimal places. minutes

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Los Angeles workers have an average commute of 33 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 13 minutes. Let X represent the commute time for a randomly selected LA worker. ✓13 b. Find the probability that a randomly selected LA worker has a commute that is longer than 40 minutes. Round to 4 decimal places. a. What is the distribution of X? X - N 33 c. Find the 85th percentile for the commute time of LA workers. Round to 2 decimal places. minutes Question Help: Written Example Message instructor Submit Question a
Transcribed Image Text:Los Angeles workers have an average commute of 33 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 13 minutes. Let X represent the commute time for a randomly selected LA worker. ✓13 b. Find the probability that a randomly selected LA worker has a commute that is longer than 40 minutes. Round to 4 decimal places. a. What is the distribution of X? X - N 33 c. Find the 85th percentile for the commute time of LA workers. Round to 2 decimal places. minutes Question Help: Written Example Message instructor Submit Question a
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