Edexcel AS Paper 2 2019 June — Question 3

Exam BoardEdexcel
ModuleAS Paper 2 (AS Paper 2)
Year2019
SessionJune
TopicBinomial Distribution
TypeDirect binomial probability calculation

  1. A fair 5 -sided spinner has sides numbered \(1,2,3,4\) and 5
The spinner is spun once and the score of the side it lands on is recorded.
  1. Write down the name of the distribution that can be used to model the score of the side it lands on. The spinner is spun 28 times.
    The random variable \(X\) represents the number of times the spinner lands on 2
    1. Find the probability that the spinner lands on 2 at least 7 times.
    2. Find \(\mathrm { P } ( 4 \leqslant X < 8 )\)