Los Angeles workers have an average commute of 31 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. 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 38 minutes. c. Find the 80th percentile for the commute time of LA workers. minutes
Los Angeles workers have an average commute of 31 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. 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 38 minutes. c. Find the 80th percentile for the commute time of LA workers. minutes
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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Los Angeles workers have an average commute of 31 minutes. Suppose the LA commute time is
a. What is the distribution of X? X ~ N(,)
b. Find the
c. Find the 80th percentile for the commute time of LA workers. minutes
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