Suppose that 10% of weightlifters use banned substances, that a weightlifter who uses banned substances tests positive for them 97% ofthe time, and that a weightlifter who does not use banned substances tests positive for them 5% of the time. Select all true statements below. The probability that a weightlifter who tests negative for banned substances indeed does not use banned substances is 0.99. ' The approximate probability that a weightlifter who tests positive for banned substances actually uses banned substances is 0.99