(a)[3]
Determine the chance that fewer than $3$ accidents occur in a year ($365$ days).
(b)[4]
The chance that no accidents happen over a period of $n$ days is above $0.95$. Find the largest possible value of $n$.
Mathematics 9709 · AS & A Level · The Poisson distribution
The Poisson distribution — practice question
The count of accidents on one particular road follows a Poisson distribution with mean $0.4$ per $50$-day period.