The trifecta at most racetracks consists of selecting the​ first-, second-, and​ third-place finishers in a particular race in their proper order. If there are eleven entries in the trifecta​ race, how many tickets must you purchase to guarantee a​ win?

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A: General formula of probability is ,   Probability = Number of favorable outcomes Total outcomes

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A: Note: As per my policy i can answer only three sub parts. kindly repost the remaining sub parts.…

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A: Dear student, If you find this solution helpful please upvote it. The solution is given below:

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A: GivenMean(μ)=36.9standard deviation(σ)=13.9