IB Statistics and Probability Problem 004

The random variable \(X\) follows the probability distribution below, where \(P(X > 1) = 0.5\).

image essential to understanding the question
  1. Find the value of \(r\).
  2. Given that \(E(X) = 1.4\), find the value of \(p\) and the value of \(q\).
Published by Annie Bernatchez in «Statistics and Probability». Key Words: IB, question