In each of the following scenarios, determine the rejection region, the value of ????, the value of

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In each of the following scenarios, determine the rejection region, the value of ˆ????, the value of ????obs, the ????-value, and the appropriate testing decision for ????0.

(a) ????0 ∶ ???????? ≤ ????????, ???? = 0.05, ???????? = 175, ˆ???????? = 0.39, ???????? = 165, and ˆ???????? = 0.33.

(b) ????0 ∶ ???????? ≥ ????????, ???? = 0.05, ???????? = 150, ˆ???????? = 0.22, ???????? = 142, and ˆ???????? = 0.31.

(c) ????0 ∶ ???????? = ????????, ???? = 0.05, ???????? = 225, ˆ???????? = 0.76, ???????? = 165, and ˆ???????? = 0.65.

(d) ????0 ∶ ???????? ≥ ????????, ???? = 0.05, ???????? = 590, ˆ???????? = 0.42, ???????? = 655, and ˆ???????? = 0.49.

(e) ????0 ∶ ???????? ≤ ????????, ???? = 0.01, ???????? = 980, ˆ???????? = 0.16, ???????? = 1275, and ˆ???????? = 0.11.

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