Exam (elaborations)
OCR 2023 GCE FURTHER MATHEMATICS B MEI Y412/01: STATISTICS A AS LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
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Ryan has 6 one-pound coins and 4 two-pound coins. Ryan decides to select 3 of these coins at random to donate to a charity. The total value, in pounds, of these 3 coins is denoted by the random variable X. (a) Show that P(X = 3) = 1 . [2] The table below shows the probability distribution of ...
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