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Statistical Distributions

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Question 16

In a quiz, a contestant can score 3, 4, 5, 6 or 7 points. The random variable Q Q\,Q represents the number of points scored.

P(Q=n)=0.04+(n−3)×a P(Q = n) = 0.04 + (n - 3) \times a P(Q=n)=0.04+(n−3)×a

where a a\,a is a constant.

Find the probability distribution for QQQ.

[5]
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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