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Question 126

A spinner has three mutually exclusive outcomes: red, blue and yellow. The probabilities of red and blue are 0.35 and 0.40 respectively.

a.

Find the probability of yellow.

[1]
b.

The spinner is used 200 times. Find the expected number of yellow outcomes.

[2]
Markscheme

2 Statistics Questions

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

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