A discrete random variable X X\,X has the probability function:
| xxx | 0 | 1 | 2 | 3 |
| P(X=x)P(X=x)P(X=x) | 0.2 | aaa | 0.3 | 0.25 |
Find the value of aaa
Find P(X>1.2)P(X > 1.2)P(X>1.2)
Construct a table for the cumulative distribution F(x)F(x)F(x)
Practise Edexcel AS Level Maths Statistical Distributions with exam-style questions for AS Level Maths. 15 questions covering Probability Distributions, The Binomial Distribution, and Cumulative Probabilities, matched to the Edexcel AS Level Maths (8MA0) specification and written in Paper 1 and Paper 2 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.