Mathematics (AS & A Level) · Oct / Nov 2025 · Paper 65 · Question 6
9709
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x O a b ( )x f The diagram shows the graph of the probability density function, f, of a random variable X. The graph is a straight line from (0, a) to (b, 0) where a and b are constants. Elsewhere ( )x 0 f = .
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6(a)[2]
6(b)[5]
6(c)[4]
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