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2 Statistics

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Question 455

A bag contains 15 red counters and 9 blue counters. Two counters are selected at random, without replacement.

a.

Find the probability that both counters selected are blue.

[2]
b.

Find the probability that one counter of each colour is selected.

[3]
Markscheme

2 Statistics Questions

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

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