A-Level
EDEXCEL
Mathematics & Further Mathematics
January 2020
QP-202001-Mathematics-US2 · Question 4
Question (excerpt):
14 4. The random variable T has probability density function f(t) where f(t) = 1 3 1 2 4 2 4 0 2 3 t k t t t < ( ) − otherwise (a) Show that k = 1 22 (3) (b) Sketch the probability …
14 4. The random variable T has probability density function f(t) where f(t) = 1 3 1 2 4 2 4 0 2 3 t k t t t < ( ) − otherwise (a) Show that k = 1 22 (3) (b) Sketch the probability …
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