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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 26PPS
Related questions
Question
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.
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
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