Pearson Edexcel Level 3 GCE Mathematics Advanced PAPER 31: Statistics 9MA0/31

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Pearson Edexcel Level 3 GCE Mathematics Advanced PAPER 31: Statistics 9MA0/311. George throws a ball at a target 15 times. Each time George throws the ball, the probability of the ball hitting the ta... rget is 0.48 The random variable X represents the number of times George hits the target in 15 throws. (a) Find (i) P(X = 3) (ii) P(X  5) (3) George now throws the ball at the target 250 times. (b) Use a normal approximation to calculate the probability that he will hit the target more than 110 times. (3) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ ________________________________________________ [Show More]

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