OCR S2 2016 June — Question 3

Exam BoardOCR
ModuleS2 (Statistics 2)
Year2016
SessionJune
TopicApproximating Binomial to Normal Distribution
TypeJustify normal approximation

3 The random variable \(F\) has the distribution \(\mathrm { B } ( 40,0.65 )\). Use a suitable approximation to find \(\mathrm { P } ( F \leqslant 30 )\), justifying your approximation.