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Mathematics 12 Online
BeautifulAngel:

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 have a heart attack? 0.4051 0.5010 0.4653 0.6632 ***It's not C***

BeautifulAngel:

**It's not A, either**

BeautifulAngel:

@Elsa213 @ThisGirlPretty

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