CAIE S2 2019 June — Question 6

Exam BoardCAIE
ModuleS2 (Statistics 2)
Year2019
SessionJune
TopicContinuous Probability Distributions and Random Variables
TypeFind parameter from median

  1. Show that \(b = \frac { a } { a - 1 }\).
  2. Given that the median of \(X\) is \(\frac { 3 } { 2 }\), find the values of \(a\) and \(b\).
  3. Use your values of \(a\) and \(b\) from part (ii) to find \(\mathrm { E } ( X )\).