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please complet below the question c 1. At the local athletics club, the expected number of people that can run 100 metres in under 13

please complet below the question c

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1. At the local athletics club, the expected number of people that can run 100 metres in under 13 seconds is 4.5 and the variance is 3.15. The data is Binomially distributed. a. Find the probability p [2 marks] b. Find the number of trials 11 [2 marks] c. Write the distribution in the form X~B(n, p) [1 mark]

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