Two hundred single sport athletes were cross-classified

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Two hundred single sport athletes were cross-classified according to gender as follows:


Swimmer

Fencer

Boxer

Male

25

60

25

Female

20

50

20

An athlete is selected at random.

  1. What is the probability that the athlete is a fencer?
  2. What is the probability that the athlete is a female fencer?
  3. If the athlete is known to be a fencer, what is the probability that the athlete is female?
  4. What is the probability that the athlete is male or a swimmer or both?
  5. Are the events being a female and being a swimmer mutually exclusive? Justify your answer.
  6. Are the events being a female and being a fencer independent? Justify your answer.

Reference no: EM13622527

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