Suppose that you are studying the number of vehicles owned by a US household. You find that the average is 1.8 vehicles per household with a standard deviation of 2.9 vehicles per household. (a) What is the most likely shape for the population described above? (b) Find the probability that 45 randomly selected households have an AVERAGE number of vehicles GREATER than 2.5. (c) Find the probability that 75 randomly selected households have a TOTAL number of vehicles LESS than 150.
Suppose that you are studying the number of vehicles owned by a US household. You find that the average is 1.8 vehicles per household with a standard deviation of 2.9 vehicles per household. (a) What is the most likely shape for the population described above? (b) Find the probability that 45 randomly selected households have an AVERAGE number of vehicles GREATER than 2.5. (c) Find the probability that 75 randomly selected households have a TOTAL number of vehicles LESS than 150.
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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Transcribed Image Text:Suppose that you are studying the number of vehicles owned by a US household. You find that the
average is 1.8 vehicles per household with a standard deviation of 2.9 vehicles per household.
(a) What is the most likely shape for the population described above?
(b) Find the probability that 45 randomly selected households have an AVERAGE number of
vehicles GREATER than 2.5.
(c) Find the probability that 75 randomly selected households have a TOTAL number of
vehicles LESS than 150.
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