Skip to content

Course home

Sign up

Statistical Distributions

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117
Question 5

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

xxx0123
P(X=x)P(X=x)P(X=x)0.15aaa0.250.2
a.

Find the value of aaa

[1]
b.

Find P(X>1.4)P(X > 1.4)P(X>1.4)

[1]
c.

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

[2]
Markscheme

Statistical Distributions Questions

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

215 exam-style questions on Edexcel A 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.

Question bank