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2.3.3 Conditional probability (A-level only)

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Question 41

Leroy asks 50 people which sports they watch. They can choose from football (F), golf (G) and hockey (H).

  • 5 people watch all three sports.
  • 8 people watch football and golf
  • 7 people watch golf and hockey
  • 9 people watch football and hockey
  • 31 people watch football
  • 13 people watch golf
  • 17 people watch hockey.
a.

Draw a Venn diagram for this information.

[3]
b.

One of the people is selected at random. Given they watch football, find the probability they do not watch hockey.

[3]

2.3.3 Conditional probability (A-level only) Questions

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