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2 Statistics

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Question 211

Bag A A\,A contains 3 red, 2 green and 4 yellow counters. Bag B B\,B contains 5 red, 4 green and 1 yellow counter. One counter is selected from bag A A\,A and placed in bag BBB, then one counter is selected from bag BBB.

a.

Find the probability that the two selected counters have the same colour.

[2]
b.

Given that they have the same colour, find the probability that both are yellow.

[2]
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2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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