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 NextReset
Her error was dividing them by 2 she would place 1.25 over 5 then divide by 5 to get the unit rate per minute then multiply the quotient by 2 to get the rate of degrees moved for 2 minutes which is .5 or .50 degrees every two minutes.