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Question 115

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The Next Questions Are Based On The Following Information:
An accountant claims to be able to complete a standard tax return in under an hour.For a random sample of 24 tax returns,the accountant averaged 63.2 minutes with a standard deviation of 7.7 minutes.
-What are the appropriate null and alternative hypotheses?


A) H0 : μ = 60 and H1 : μ ≠ 60
B) H0 : μ = 60 and H1 : μ > 60
C) H0 : μ = 60 and H1 : μ < 60
D) H0 : μ > 60 and H1 : μ ≤ 60

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