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 rellability of the stress test us 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 (not this one)