Single time period probability

Questions asking for P(X = k), P(X ≤ k), P(X ≥ k), or P(a ≤ X < b) for a Poisson variable over a single given time period with no scaling required.

26 questions

AQA Further AS Paper 2 Statistics 2018 June Q2

2 The discrete random variable \(Y\) has a Poisson distribution with mean 3 Find the value of \(\mathrm { P } ( Y > 1 )\) to three significant figures.
Circle your answer.
\(0.149 \quad 0.199 \quad 0.801 \quad 0.950\)