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According to a report issued by the CDC in 2013, 66.8 % of women 40 years of age and over had a mammogram within the last two years. An oncologist at the CDC would like to know if there has been a change in this percentage over the last two years. A random sample of 717 women (40 and older) is taken, and each is asked the date of their last mammogram.
Verify that the assumptions have been satisfied to conduct a hypothesis test.
1.Select an answer: Yes or No
A.Percentage of women who have had a mammogram in the last two years
B. Mammogram occurred in last two years
C.Number of mammograms received
D. Date of last mammogram
Solve:
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the random variable x has the following discrete probability
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