Iwill mark you

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

0.099, or 9.9%

Step-by-step explanation:

She has a 70% chance to have a heart attack, therefore, she has a 30% chance that she will not.

The accuracy of the test is 67%, which means, which means there is a 33% of a false diagnosis.

The chance of both events occurring is 0.3 * 0.33, which is 0.099.

answer: options?

step-by-step explanation:

i think you would have to divide the money he had saved, which is $2,000 by the time he plans on exercising which is 40 hours, and the answer you get should tell you the answer to your question.