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In the general population, one woman in ten will develop breast cancer. Research has shown that 1 woman in 600 carries a mutation of the BRCA gene. Seven out of 10 women with this mutation develop breast cancer.
a) Find the probability that a randomly selected woman will develop breast cancer given that she has a mutation of the BRCA gene.
b) Find the probability that a randomly selected woman will carry the mutation of the BRCA gene and will develop breast cancer.
c) Are the events of carrying this mutation and developing breast cancer independent or dependent?
For six local offices of a large tax preparation firm, the following data describe x 5 service revenues and y 5 expenses for supplies, freight, and postage during the previous tax preparation season:
This problem related to Basic Statistics and it discuss about the methods that can be used to collect reliable data for both qualitative as well as for quantitative research
the independent newspaper tabulated the gender of all candidates running for election in the 1992 british general
construct a grouped frequency distribution for the data given below184 174 180 172 184 175 180 178 183 180173 180 182
suppose that in the setting of the previous exercise you are willing to settle for a margin of error of $1000. will the required sample size be larger or smaller?
Find a z score for which the area under the standard normal curve from -z to z is 50%. (b) Find the range of scores which will be assigned a grade of C.
a researcher wishes to estimate with 90 confidence the proportion of adults who have high-speed internet access. her
Construct a scatter plot, using sales as the dependent variable and median family income as the independent variable. Discuss the scatter plot.
A human resources director, on learning about the regression effect, decides to hire people who have been fired by their previous employer for poor performance.
Joe is considering pursuing an MBA degree. He has applied to two different universities. The acceptance rate for applicants with similar qualifications is 25% for University A and 40% for University B.
The consultant has offered to share their analysis with your company for a fee of $25.0 million. What is the Expected Value of Perfect Information in this scenario?
a survey found that womens heights are normally distributed with mean 63.5in and standard deviation 2.5in. a branch of
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