The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed and the parameter that is being tested. H0: μ = 8.6  H1: μ ≠ 8.6  a.Left-tailed,  b.Right-tailed, μ c.Two-tailed, μ d.Two-tailed,

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