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2 Unit 2: Applied Mathematics A

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Question 157

A tennis player puts a first serve in with probability 0.65 and then wins the point with probability 0.81. If the first serve is not in, the player puts a second serve in with probability 0.84 and then wins with probability 0.59. A point is lost if the second serve is not in.

a.

Draw a probability tree for this model.

[3]
b.

Find the probability that the player wins the point.

[2]
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2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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