What is the probability of taking exactly 2 hours to finish a given job? b. What is the probability it will take more than 2 hours on a given job? c. You are on a given job and you already have been working for 1 hour. What is the probability it will at least an additional 2 hours to complete this job?

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A: Exponential distributionfx(λ)= λe-λ   , λ>0 , x>0where λ is the rate of distributionMean (μ)…

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A: Problem can be solved using exponential distribution formula.

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A:

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A:

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A: Population mean  = 7Probability Event =

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A:

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A: I solved exactly first three subparts because of bartleby policy if you want more please uplode…

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A: Solution: From the given information,

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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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A: