Knee injury: The anterior cruciate ligament (ACL) runs diagonally in the middle of the knee. An article in a respected journal reports results for 74 people who had suffered ACL injuries. Of the 74 injuries, 46 were to the left knee and 28 were to the right knee. Can you conclude that the percent of ACL injuries to the left knee differs from 50%? Use the a= 0.05 level of significance. Here are the null and alternative hypotheses. Ho: P = 0.5 H₁:P +0.5

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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1. What the p value.

2. Interpret the p value and state a conclusion. 

 

Knee injury: The anterior cruciate ligament (ACL) runs diagonally in the middle of the knee. An article in a respected journal reports results for
74 people who had suffered ACL injuries. Of the 74 injuries, 46 were to the left knee and 28 were to the right knee.
Can you conclude that the percent of ACL injuries to the left knee differs from 50%? Use the a= 0.05 level of significance.
Here are the null and alternative hypotheses.
Ho: P = 0.5
H₁:P +0.5
Transcribed Image Text:Knee injury: The anterior cruciate ligament (ACL) runs diagonally in the middle of the knee. An article in a respected journal reports results for 74 people who had suffered ACL injuries. Of the 74 injuries, 46 were to the left knee and 28 were to the right knee. Can you conclude that the percent of ACL injuries to the left knee differs from 50%? Use the a= 0.05 level of significance. Here are the null and alternative hypotheses. Ho: P = 0.5 H₁:P +0.5
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