Edexcel S2 2014 June — Question 3

Exam BoardEdexcel
ModuleS2 (Statistics 2)
Year2014
SessionJune
TopicContinuous Uniform Random Variables
TypeFind parameters from given statistics

  1. The continuous random variable \(T\) is uniformly distributed on the interval \([ \alpha , \beta ]\) where \(\beta > \alpha\)
Given that \(\mathrm { E } ( T ) = 2\) and \(\operatorname { Var } ( T ) = \frac { 16 } { 3 }\), find
  1. the value of \(\alpha\) and the value of \(\beta\),
  2. \(\mathrm { P } ( T < 3.4 )\)