A-LevelMathematicsProbability and statisticsOct/Nov 2021Paper 5 Q610 Marks
In a game, Jim throws three darts at a board. This is called a 'turn'. The centre of the board is called the bull's-eye. The random variable X is the number of darts in a turn that hit the bull's-eye. The probability distribution of X is given in the following table. X | 0 | 1 | 2 | 3 P(X = x) | 0.6 | p | q | 0.05 It is given that E(X) = 0.55.
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