Question 9 - A-Level Maths

Exam Board	OCR
Module	AS Pure (AS Pure Mathematics)
Year	2017
Session	Specimen
Topic	Discrete Probability Distributions
Type	Comparison or ordering of two independent values

9 The probability distribution of a random variable \(X\) is given in the table.

\(x\)	1	2	3
\(\mathrm { P } ( X = x )\)	0.6	0.3	0.1

Two values of \(X\) are chosen at random. Find the probability that the second value is greater than the first.