Of 750 people surveyed, 330 were male and 640 had cell phones. Of those with cell phones, 390 were female. What is the probability that a person surveyed was either male or had a cell phone? a) 360/750 ≈ 0.48b) 580/750 ≈ 0.7733c) 700/750 ≈ 0.9333d) 720/750 ≈ 0.96