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Assume that breast cancer affects 0.007

/in /by

Assume that breast cancer affects 0.007 of the female population
between 45 and 55 years of age. There are two types of results True positive (the test indicates you have the disease, and you actually have it)
False positive (the test indicates you have the a disease, but you actually do not)
Assume mammograms are
0.90 accurate detecting people who actually have breast cancer (true positive rate)
0.93 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 test positive for breast cancer, and enter your answer with 3 decimal places.

Question 2

We have a normal distribution with a mean of 82 and a standard deviation of 10. What is the Z value of the value 51? Round to three decimal digits.

Question 3

We have a normal distribution with a mean of 16 and a standard deviation of 2. What is the Z value of the value 20? Round to three decimal digits.



 
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