单选题 The probabilities of earning a specified return from a portfolio are shown below:
Probability
Return
0.20
10%
0.20
20%
0.20
22%
0.20
15%
0.20
25%
What are the odds of earning at least 20 percent?
  • A. Two to three.
  • B. Three to two.
  • C. Three to five.
【正确答案】 B
【答案解析】Odds are the number of successful possibilities to the number of unsuccessful possibilities: P(E)/[1-P(E)] or 0.6/0.4 or 3/2.