The probability of Harry being late for school is 0.1. Over a term of 30 days find the probability that Harry is late:
Exactly one time
More than four times
Less than three times
390 exam-style questions on AQA A Level Maths 2.4 N: Statistical distributions, covering 2.4.1 Discrete distributions and the binomial, 2.4.2 The Normal distribution (A-level only), and 2.4.3 Selecting an appropriate distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.