The random variable X X\,X has the distribution X∼B(15,0.35)X \sim B(15, 0.35)X∼B(15,0.35).
a.
Find P(X=5)P(X = 5)P(X=5).
[1]
b.
Find P(X<4)P(X < 4)P(X<4).
[1]
c.
Find P(X≤10)P(X \le 10)P(X≤10).
[1]
Markscheme
2.4.1 Discrete distributions and the binomial Questions
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.