Mathematics (AS & A Level) · Oct / Nov 2019 · Paper 61 · Question 4
9709
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In a probability distribution the random variable X takes the values −1, 0, 1, 2, 4. The probability distribution table for X is as follows. x −1 0 1 2 4 PX = x 1 4 p p 3 8 4p
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4(i)[2]
4(ii)[3]
4(iii)[2]
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