1. A group of investigators wishes to explore the relationship between the use of hair dyes and the development of breast cancer in females. A group of 100 beauticians 40–49 years of age is identified and followed for five years. After five years, 20 new cases of breast cancer have occurred. Assume that breast cancer incidence over this time period for average American women in this age group is 30/100. We wish to test the hypothesis that using hair dyes decrease the risk of breast cancer. Compute p-value the answer is not 0.0021 a) 0 b) 47.6190
1. A group of investigators wishes to explore the relationship between the use of hair dyes and the development of breast cancer in females. A group of 100 beauticians 40–49 years of age is identified and followed for five years. After five years, 20 new cases of breast cancer have occurred. Assume that breast cancer incidence over this time period for average American women in this age group is 30/100. We wish to test the hypothesis that using hair dyes decrease the risk of breast cancer. Compute p-value the answer is not 0.0021 a) 0 b) 47.6190
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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1. A group of investigators wishes to explore the relationship between the
use of hair dyes and the development of breast cancer in females. A
group of 100 beauticians 40–49 years of age is identified and followed
for five years. After five years, 20 new cases of breast cancer have
occurred. Assume that breast cancer incidence over this time period for
average American women in this age group is 30/100. We wish to test
the hypothesis that using hair dyes decrease the risk of breast cancer.
Compute p-value
the answer is not 0.0021
a) 0
b) 47.6190
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