A-Level
EDEXCEL
Mathematics & Further Mathematics
January 2022
QP-202201-Mathematics-US1 · Question 4
Question (excerpt):
14 blank 4. The random variable W has a discrete uniform distribution where P(W = w) = 1 5 for w = 1, 2, 3, 4, 5 (a) Find P(2 W < 3.5) (1) The discrete random variable X = 5 – 2W (b) Find E(X…
14 blank 4. The random variable W has a discrete uniform distribution where P(W = w) = 1 5 for w = 1, 2, 3, 4, 5 (a) Find P(2 W < 3.5) (1) The discrete random variable X = 5 – 2W (b) Find E(X…
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