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 V 12 b. Find the probability that a randomly selected LA worker has a commute that is longer than 34 minutes. minutes c. Find the 90th percentile for the commute time of LA workers.
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 V 12 b. Find the probability that a randomly selected LA worker has a commute that is longer than 34 minutes. minutes c. Find the 90th percentile for the commute time of LA workers.
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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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 the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible. Need help on questions B, and C.
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