Mathematics (AS & A Level) · May / June 2018 · Paper 71 · Question 6
9709
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The question as text
The time, in minutes, taken by people to complete a test is modelled by the continuous random variable X with probability density function given by fx = t k x2 5 ≤x ≤10, 0 otherwise, where k is a constant.
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6(i)[3]
6(ii)[2]
6(iii)[3]
6(iv)[3]
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