Question 5.165

59. A study of online dating behavior found that users of a particular online dating service self-reported their physical appearance according to the counts given in Table 12.10

Table 5.42: TABLE 12 Gender and self-reported physical appearance
Gender Physical appearance
Very
attractive		 Attractive Average Prefer
not to
answer		 Total
Female 3,113 16,181 6,093 3,478 28,865
Male 1,415 12,454 7,274 2,809 23,952
Total 4,528 28,635 13,367 6,287 52,817

Using this information, find the probability that a randomly chosen online dater has the following characteristics:

  1. Is female
  2. Self-reported as attractive
  3. Is a female who self-reported as attractive
  4. Is a female or self-reported as attractive
  5. Self-reported as attractive or self-reported as average

5.2.59

(a) 0.5465 (b) 0.5422 (c) 0.3064 (d) 0.7823 (e) 0.7952