CAIE S1 2023 November — Question 3

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2023
SessionNovember
TopicApproximating Binomial to Normal Distribution
TypeSingle probability inequality

3 A factory produces a certain type of electrical component. It is known that \(15 \%\) of the components produced are faulty. A random sample of 200 components is chosen. Use an approximation to find the probability that more than 40 of these components are faulty.