On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her

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


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