Skip to content
Competitive Stats
Q15Section I (Objective (Q1–Q80))15 of 80

Probability — conditional expectation of a discrete random variable

A random variable XX has the following probability mass function p(x)=x/15p(x)=x/15, where x=1,2,3,4x=1,2,3,4 and 55. What is E(X∣x>1)E(X\mid x>1) equal to?

Options

Pick an option to check your answer. In a mock test a wrong answer here costs 0.83 mark.