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A company wants to test the hypothesis that the time its trucks take to drive from city A to city B exceeds 13 minutes. The standard deviation of the data is known to be 12 minutes. The travel time distribution is assumed normal. A sample mean from 45 data points showed that the average travel time is 14.45 minutes. What is the conclusion of the test from this sample data set?

A company wants to test the hypothesis that the time its trucks take to drive from city A to city B exceeds 13 minutes. The standard deviation of the data is known to be 12 minutes. The travel time distribution is assumed normal. A sample mean from 45 data points showed that the average travel time is 14.45 minutes. What is the conclusion of the test from this sample data set?

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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A company wants to test the hypothesis that the time its trucks take to drive from city A to city B exceeds 13 minutes. The standard deviation of the data is known to be 12 minutes. The travel time distribution is assumed normal. A sample mean from 45 data points showed that the average travel time is 14.45 minutes. What is the conclusion of the test from this sample data set?
Transcribed Image Text:A company wants to test the hypothesis that the time its trucks take to drive from city A to city B exceeds 13 minutes. The standard deviation of the data is known to be 12 minutes. The travel time distribution is assumed normal. A sample mean from 45 data points showed that the average travel time is 14.45 minutes. What is the conclusion of the test from this sample data set?
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