A Mathematics professor claims that students are studying a maximum of 6 hours for their In-Class Assessment. Which test of hypothesis fits this claim? a. HO: µ s 6; Hl: µ > 6. b. H0: μ 6, H1 μ< 6. c H0. μ 6 ; H1 μ + 6. d. H0 μ< 6; H1: μ > 6.

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