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A consumer group wants to prove that the average hospital costs are more than $931 per day. The group randomly samples 60 accounts and finds a sample mean of $950. The hypothesis test is at an a-level of 5% and assumes a oof $50. Which of the following is true?
Correct Answer: B
The alternative hypothesis, H , is what is to be proved; in this case we want to prove the a average costs are above $931. So, we have H : u > 931. a