-2x 5. Suppose that one observation from the following exponential distribution ƒ(x) = λe¯¹, x>0, is to be used to test H₁ : 2 = 1 versus H₁ :2 113 The decision rule calls for the null hypothesis . 0 2 to be rejected if x>2. Find a (the probability of type 1 error) and ß (the probability of type 2 error).

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