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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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