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?

Question

anonymous · Answer

if the test is accurate 67% of the time, then what are the chances that it would be inaccurate? hint (100% - 67%)

anonymous · Answer

the first two sentences are irrelevent, theyre trying to confuse you