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Statistical Distributions

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Question 3

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

yyy1245
P(Y=y)P(Y=y)P(Y=y)0.15bbb0.350.2
a.

Find the value of bbb

[1]
b.

Find P(Y>3.5)P(Y > 3.5)P(Y>3.5)

[1]
c.

Construct a table for the cumulative distribution FY(y)F_Y(y)FY​(y)

[2]
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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