Partners Checking Up on Each Other. Use the following information for Exercises 48–51. According to a study in the journal Computers in Human Behavior,8 65% of the college women surveyed checked the call histories on the cell phones of their partners, whereas 41% of the males did so.
49. Refer to Exercise 48. Calculate the following probabilities:
7.2.49
(a) 0.5 (b) 0 (c) 0 (d) 0.5