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2019, investigators from Brown University would like to determine the relationship of nail polish remover and ovarian cancer in women. A cohort of n=1000 beauticians aged 18-64 years old was identified and followed up after five years. After the follow-up period, there were × = 20 new cases of breast cancer were diagnosed. It is known that the incidence of ovarian cancer over the time period for average American women is 7/1000. The researchers wish to determine if the incidence computed in this study is equal to the incidence known in America at 0.01 level of significance.

2019, investigators from Brown University would like to determine the relationship of nail polish remover and ovarian cancer in women. A cohort of n=1000 beauticians aged 18-64 years old was identified and followed up after five years. After the follow-up period, there were × = 20 new cases of breast cancer were diagnosed. It is known that the incidence of ovarian cancer over the time period for average American women is 7/1000. The researchers wish to determine if the incidence computed in this study is equal to the incidence known in America at 0.01 level of significance.

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 2019, investigators from Brown University would like to determine the relationship of nail polish remover and ovarian cancer in women. A cohort of n=1000 beauticians aged 18-64 years old was identified and followed up after five years. After the follow-up period, there were × = 20 new cases of breast cancer were diagnosed. It is known that the incidence of ovarian cancer over the time period for average American women is 7/1000. The researchers wish to determine if the incidence computed in this study is equal to the incidence known in America at 0.01 level of significance.
Problem B In 2019, investigators from Brown University would like to determine the relationship of nail polish remover and ovarian cancer in women. A cohort of n=1000 beauticians aged 18-64 years old was identified and followed up after five years. After the follow-up period, there werex = 20 new cases of breast cancer were diagnosed. It is known that the incidence of ovarian cancer over the time period for average American women is 7/1000. The researchers wish to determine if the incidence computed in this study is equal to the incidence known in America at 0.01 level of significance. Hypothesis testing for one proportion is possible since the computed nP and nQ values are as and respectively, which are > 5. 0.02.0.007 O 7,993 O 0.007, 0.02 993, 7 Next >
Transcribed Image Text:Problem B In 2019, investigators from Brown University would like to determine the relationship of nail polish remover and ovarian cancer in women. A cohort of n=1000 beauticians aged 18-64 years old was identified and followed up after five years. After the follow-up period, there werex = 20 new cases of breast cancer were diagnosed. It is known that the incidence of ovarian cancer over the time period for average American women is 7/1000. The researchers wish to determine if the incidence computed in this study is equal to the incidence known in America at 0.01 level of significance. Hypothesis testing for one proportion is possible since the computed nP and nQ values are as and respectively, which are > 5. 0.02.0.007 O 7,993 O 0.007, 0.02 993, 7 Next >
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