1. Assume breast cancer affects 0.006 of the female population between 45 and 55 years of age

1. Assume breast cancer affects 0.006 of the female population between 45 and 55 years of age.
There are two kinds of positive test results:

True positive (the test indicates you have a disease, and you actually have it)

False positive (the test indicates you have a disease, but you actually do not).

Assume mammograms are

0.92 accurate detecting people who actually have breast cancer (true positive rate)

0.92 accurate for people who do not have breast cancer (true negative rate).

Compute the probability that a female between the ages of 45 and 55 who tests positive for breast cancer has breast cancer, and enter your answer with 3 decimal places.

#2. Given the following partial relative frequency table

Republican. Democrat. Independent

Male. .171 .174 .102

Female .166 .144 ?

Compute P(Republican | Male), and enter your answer with 3 decimal places.

#3. Given the following partial relative frequency table:

Republican Democrat Independent

Male .187 .116 .140

Female .196 .170 ?

Compute P(Female | Democrat), and enter your answer with 3 decimal places

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