Mathematics (AS & A Level) · Oct / Nov 2025 · Paper 63 · Question 7
9709
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The question as text
The time, in minutes, taken by students to complete a test is modelled by the random variable X with probability density function . otherwise 0 ( ) ( )( ) , x x x x 3 5 3 5 f 4 3 G G = - - - *
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7(a)[4]
7(b)[1]
7(c)[2]
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