Question: at = 4. Then: (a) At = 5, > 0.36. (b) If = 0.01, thenat = 4, > 0.36.

at μ = 4. Then:

(a) At μ = 5, β > 0.36.

(b) If α = 0.01, thenat μ = 4, β > 0.36.

(c) If n = 50, thenat μ = 4, β > 0.36.

(d) Thepowerofthetestis0.64at μ = 4.

(e) Thismustbefalse,becausenecessarily α + β = 1.

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