A used car dealer says that the mean price of a three-year-old sports utility vehicle is $20,000. You suspect this claim is incorrect and find that a random sample of 20 similar vehicles has a mean price of $20,588 and a standard deviation of $1999. Is there enough evidence to reject the claim at c=0.05? Complete parts (a) through (e) below. Assume the population is normally distributed.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Could you please show how to find Critial Values using a Calculator (TI 84) and a Standard Normal table, the calculator way is the most important.

 

Also how to you find the P-Value using a Calculator.

 

Thank you

A used car dealer says that the mean price of a three-year-old sports utility vehicle is $20,000. You suspect this claim is incorrect and find that a random sample of 20
similar vehicles has a mean price of $20,588 and a standard deviation of $1999. Is there enough evidence to reject the claim at c=0.05? Complete parts (a) through (e)
below. Assume the population is normally distributed.
Transcribed Image Text:A used car dealer says that the mean price of a three-year-old sports utility vehicle is $20,000. You suspect this claim is incorrect and find that a random sample of 20 similar vehicles has a mean price of $20,588 and a standard deviation of $1999. Is there enough evidence to reject the claim at c=0.05? Complete parts (a) through (e) below. Assume the population is normally distributed.
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