CAIE S2 2017 June — Question 2

Exam BoardCAIE
ModuleS2 (Statistics 2)
Year2017
SessionJune
TopicNormal Distribution
TypeValidity of normal model

2 In a random sample of 200 shareholders of a company, 103 said that they wanted a change in the management.
  1. Find an approximate \(92 \%\) confidence interval for the proportion, \(p\), of all shareholders who want a change in the management.
  2. State the probability that a \(92 \%\) confidence interval does not contain \(p\).