Question

On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a heart attack. The doctors told her that the reliability of the stress test is 67%. The test predicted that Erin will not have a heart attack. What is the probability after the test was taken that she will not have a heart attack?

A.
0.4051

B.
0.5010

C.
0.4653

D.
0.6632

Answer 1

The probability that she will not have a heart attack IS 0.4653

Explanation:

Option C. for plato users, trust me

Answer 2

Answer: C. 4653

Explanation:

Use Bayes theorem. When you put the values in (like below) you get 46.53%