In a library challenge, a player can borrow 0, 1, 2, 3 or 4 additional books. The random variable B B\,B represents the number of additional books borrowed.
P(B=n)=0.12+n×a P(B = n) = 0.12 + n \times a P(B=n)=0.12+n×awhere a a\,a is a constant.
Find the probability distribution for BBB.
57 exam-style questions on Edexcel AS Level Maths Statistical Distributions, covering 6.1 Probability Distributions, 6.2 The Binomial Distribution, and 6.3 Cumulative Probabilities. Each one has a worked solution and a mark scheme showing where the marks go.