Make the following tests of hypotheses. a. H0: = 80, H1: 80, n =
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a. H0: µ = 80, H1: µ ≠ 80, n = 81, = 76.5, σ = 15, α = .10
b. H0: µ = 32, H1: µ ≠ 32, n = 45, = 26.5, σ = 7.4, α = .01
c. H0: µ = 55, H1: µ ≠ 55, n = 100, = 60.5, σ = 4, α = .05
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