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In a research report in New York University, it is claimed that mice with an average life span of 32 months, will live to be about 40 months old when 40% of the calories in their food are replaced by vitamins and protein.  Is there any reason to believe that  μ  < 40  if 64 mice that are placed on this diet have an average life span of 38 months with a standard deviation of 5.8 months?  Use a P-value in your conclusion with α = 0.05.

In a research report in New York University, it is claimed that mice with an average life span of 32 months, will live to be about 40 months old when 40% of the calories in their food are replaced by vitamins and protein.  Is there any reason to believe that  μ  < 40  if 64 mice that are placed on this diet have an average life span of 38 months with a standard deviation of 5.8 months?  Use a P-value in your conclusion with α = 0.05.

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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In a research report in New York University, it is claimed that mice with an average life span of 32 months, will live to be about 40 months old when 40% of the calories in their food are replaced by vitamins and protein.  Is there any reason to believe that  μ  < 40  if 64 mice that are placed on this diet have an average life span of 38 months with a standard deviation of 5.8 months?  Use a P-value in your conclusion with α = 0.05.  

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