A statistics professor refutes the students' claim of studying an average of at least 7 hours for the final exam. Which test of hypothesis fits this claim? O a. O b. O c. O d. H0: μ<7; Hl: p > 7. H0: p2 7; Hl: μ< 7. H0: μ = 7; Hl: p + 7. H0: ps 7; Hl: p > 7.

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A: The solution is in steps below  Thanks!