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4. Lung cancer is the leading cause of cancer deaths in the United States. Suppose you want to estimate the 5-year survival rate (the proportion of patients surviving 5 years after diagonosis) to within 2% of the trur proportion with 95% confidence, how large a sample would you need (a) if 15% of all people who developed lung cancer survived 5 years according to CDC 2005 statistics. (b) if no information about the survival rate is available?

4. Lung cancer is the leading cause of cancer deaths in the United States. Suppose you want to estimate the 5-year survival rate (the proportion of patients surviving 5 years after diagonosis) to within 2% of the trur proportion with 95% confidence, how large a sample would you need (a) if 15% of all people who developed lung cancer survived 5 years according to CDC 2005 statistics. (b) if no information about the survival rate is available?

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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**Lung Cancer Survival Rate Estimation** Lung cancer is the leading cause of cancer deaths in the United States. Suppose you want to estimate the 5-year survival rate (the proportion of patients surviving 5 years after diagnosis) to within 2% of the true proportion with 95% confidence. How large a sample would you need? (a) If 15% of all people who developed lung cancer survived 5 years according to CDC 2005 statistics. (b) If no information about the survival rate is available?
Transcribed Image Text:**Lung Cancer Survival Rate Estimation** Lung cancer is the leading cause of cancer deaths in the United States. Suppose you want to estimate the 5-year survival rate (the proportion of patients surviving 5 years after diagnosis) to within 2% of the true proportion with 95% confidence. How large a sample would you need? (a) If 15% of all people who developed lung cancer survived 5 years according to CDC 2005 statistics. (b) If no information about the survival rate is available?
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