Suppose 1, 42, parameter A = 1/4. A100 are 1.1.d. random variables from exponential distribution with (b) (a) Compute E (EX) and Var and Var (jo Σ!, Χ.). Approximate P(X,> 4.132). Justify your approximation.

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Q: 9.18. question attached

A: Given information:The test hypotheses are as follows:Null hypothesis:H0: λ = λ0Alternate…