Mathematics (AS & A Level) · Oct / Nov 2025 · Paper 55 · Question 2
9709
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Kai has a spinner with four sides, labelled 1, 2, 3, 4. When the spinner is spun, the score is the number on the side on which the spinner lands. The random variable X denotes this score. The probability distribution table for X is given below. x 1 2 3 4 ( ) X x P = p 0.4 2p p
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2(a)[4]
2(b)[3]
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