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Statistical Distributions

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Question 1
67%

A discrete random variable X X\,X has the probability function:

xxx0123
P(X=x)P(X=x)P(X=x)0.2aaa0.30.25
a.

Find the value of aaa

[1]
b.

Find P(X>1.2)P(X > 1.2)P(X>1.2)

[1]
c.

Construct a table for the cumulative distribution F(x)F(x)F(x)

[2]

Statistical Distributions Questions

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

Practise Edexcel A Level Maths Statistical Distributions with exam-style questions for A Level Maths. 15 questions covering 6.1 Probability Distributions, 6.2 The Binomial Distribution, and 6.3 Cumulative Probabilities, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank