A certain weightlifter is prone to back injury. He finds that hehas a 20% chance of hurting his back if he uses the proper form ofbending at the hips and keeping his spine locked. The probabilitythat he will hurt his back with bad form is 95%. The probabilitythat he uses proper form is 75%.
A. What is the probability that he hurts his back and has properform?
B. What is the probability that he doesn't hurt his back and hasproper form?
C. What is the probability he doesn't hurt his back?
