OCR S2 2014 June — Question 1 5 marks

Exam BoardOCR
ModuleS2 (Statistics 2)
Year2014
SessionJune
Marks5
TopicApproximating Binomial to Normal Distribution
TypeSingle probability inequality

1 The random variable \(F\) has the distribution \(B ( 50,0.7 )\). Use a suitable approximation to find \(\mathbf { P } \boldsymbol { ( } \mathbf { F > } \mathbf { 4 0 } \boldsymbol { ) }\). [5]