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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

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%.What is the probability that Erin will not have a heart attack and the test predicts that she will?

A.

0.099

B.

0.201

C.

0.231

D.

0.469

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