If x is a value assumed by a random variable X having the exponential distribution given by f(x) =< x > 0, 0 >0 elsewhere Ө 0, Find k so that the interval 0 <0

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A: Given, n1=15μ1=76σ1=7 n2=8μ2=69σ2=10

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Q: a) The probability that X1 – X2 exceeds 3. b) The probability that 4.9 < X1 - X2 < 5.9.

A: Let , X1→N(μ1=75 , σ1=9) , n1=15 and X2→N(μ2=69 , σ2=15) , n2=9 and  By using central limit theorem…

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