200 Suppose X follows a normal distribution with mean mu and standard deviation=40 Find each of the following cWhat is the probability that X> 120.8|| What is the nrobohility that V is hotween 210 and 310 6

200 Suppose X follows a normal distribution with mean mu and standard deviation=40 Find each of the following cWhat is the probability that X> 120.8|| What is the nrobohility that V is hotween 210 and 310 6

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 26 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 15 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 30 minutes. __________c. Find the 80th percentile for the commute time of LA workers. ________ minutes
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D = 129 , E = 56 , F = 134
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