The probability that Harry is late for school on any given day is 0.1, independently of every other day. Harry attends school on 30 days in a term.
Find the probability that Harry is late exactly once.
Find the probability that Harry is late more than four times.
Find the probability that Harry is late fewer than three times.
39 exam-style questions on AQA A Level Maths 2.4.1 Discrete distributions and the binomial. Each one has a worked solution and a mark scheme showing where the marks go.