CAIE S2 2016 November — Question 3

Exam BoardCAIE
ModuleS2 (Statistics 2)
Year2016
SessionNovember
TopicPoisson Distribution
TypeSingle period normal approximation
3 Particles are emitted randomly from a radioactive substance at a constant average rate of 3.6 per minute. Find the probability that
  1. more than 3 particles are emitted during a 20 -second period,
  2. more than 240 particles are emitted during a 1-hour period.
This paper (7 questions)
View full paper
Q1 Q2 Q3 Q4 Q5 Q6 Q7