OCR S2 Specimen — Question 3

Exam BoardOCR
ModuleS2 (Statistics 2)
SessionSpecimen
TopicApproximating Binomial to Normal Distribution
TypeSingle probability inequality

3 Sixty people each make two throws with a fair six-sided die.
  1. State the probability of one particular person obtaining two sixes.
  2. Using a suitable approximation, calculate the probability that at least four of the sixty obtain two sixes.