Edexcel S2 2007 January — Question 2

Exam BoardEdexcel
ModuleS2 (Statistics 2)
Year2007
SessionJanuary
TopicPoisson Distribution
TypeSingle time period probability
2. The random variable \(J\) has a Poisson distribution with mean 4.
  1. Find \(\mathrm { P } ( J \geqslant 10 )\). The random variable \(K\) has a binomial distribution with parameters \(n = 25 , p = 0.27\).
  2. Find \(\mathrm { P } ( K \leqslant 1 )\).
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