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Statistical Distributions

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Question 10

The discrete random variable Y∼B(18,0.25)Y \sim B(18, 0.25)Y∼B(18,0.25)

Find:

a.

P(Y=4)P(Y = 4)P(Y=4)

[1]
b.

P(Y<3)P(Y < 3)P(Y<3)

[1]
c.

P(Y≤8)P(Y \leq 8)P(Y≤8)

[1]
Markscheme

Statistical Distributions Questions

  1. AS Level
  2. /Maths
  3. /Statistical Distributions

57 exam-style questions on Edexcel AS Level Maths Statistical Distributions, covering 6.1 Probability Distributions, 6.2 The Binomial Distribution, and 6.3 Cumulative Probabilities. Each one has a worked solution and a mark scheme showing where the marks go.

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