Of 1000 randomly selected cases of lung cancer, 823 resulted in death within 10 years. (a) Calculate a 95% two-sided confidence interval on the death rate from lung cancer. Blank 1 < p < Blank 2 (b) Using the point estimate of p obtained from the preliminary sample, what sample size is needed to be 95% confident that the error in estimating the true value of p is less than 0.03? Blank 3 cases of lung cancer (c) How large must the sample be if we wish to be at least 95% confident that the error in estimating p is less than 0.03, regardless of the true value of p? Blank 4 cases of lung cancer

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Of 1000 randomly selected cases of lung cancer, 823 resulted in death within 10 years.
(a) Calculate a 95% two-sided confidence interval on the death rate from lung cancer.
Blank 1 < p < Blank 2
(b) Using the point estimate of p obtained from the preliminary sample, what sample size is needed to be 95% confident that the
error in estimating the true value of p is less than 0.03?
Blank 3 cases of lung cancer
(c) How large must the sample be if we wish to be at least 95% confident that the error in estimating p is less than 0.03, regardless
of the true value of p?
Blank 4 cases of lung cancer
Transcribed Image Text:Of 1000 randomly selected cases of lung cancer, 823 resulted in death within 10 years. (a) Calculate a 95% two-sided confidence interval on the death rate from lung cancer. Blank 1 < p < Blank 2 (b) Using the point estimate of p obtained from the preliminary sample, what sample size is needed to be 95% confident that the error in estimating the true value of p is less than 0.03? Blank 3 cases of lung cancer (c) How large must the sample be if we wish to be at least 95% confident that the error in estimating p is less than 0.03, regardless of the true value of p? Blank 4 cases of lung cancer
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