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.

Question 7.175

49. Refer to Exercise 48. Calculate the following probabilities:

  1. That more than 65% of the females checked the call histories of their partners
  2. That more than 65% of the males checked the call histories of their partners
  3. That less than 41% of the females checked the call histories of their partners
  4. That less than 41% of the males checked the call histories of their partners

7.2.49

(a) 0.5 (b) 0 (c) 0 (d) 0.5