At a certain gas station, the amount of gas purchased per vehicle follows a normal distribution with a mean of 17 gallons and a standard deviation of 4.5 gallons.If 34 vehicles are sampled at random, then 20% of the time, their mean amount purchased will be less than how many gallons? *Round your answer to the nearest gallon.*[ ] gallons

Answered: Image /qna-images/answer/91ea1ac5-b025-472d-bb39-809a5cdb399f.jpg

Answered: At a certain gas station, the amount of…

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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Suppose you have already calculated the mean, the average deviation, and the standard deviation of the weights in pounds of 20 third-graders. a. if these weights were converted to kilograms and the mean and the average deviation were once again calculated, would the second average deviation be (numerically) less than, greater than, or equal to the first average deviation? Explain your answer. b. If the standard deviation of these weights were calculated in kilograms, would it be (numerically) less than, greater than, or equal to the first standard deviation? Explain your answer
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