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?

Answer 1

heya....


Since her family has a 70% risk of having a heart attack, the possibility that she will not have a heart attack is only 30%.
Now, she took a test that only given 67% reliability prediction, the risk predicted that she might have a heart attack is 67% and 33% not to have.


tysm..#gozmit

Answer 2

Hey mate!

Here's your answer!!

We can see that she discovered that her family had a risk of 70% heart attack, so the possibility of the heart attack is now 30% as 100 - 70.

Now the doctor told that reliability test has prediction of not having a heart attack is 67%. So now the risk prediction of heart attack is 33%.

$hope \: it \: helps \: you...$

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