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Question: The number of entrees purchased in a single order at a Noodles & Company restaurant has had a…



The number of entrees purchased in a single order at a Noodles
& Company restaurant has had an historical average of 2.1
entrees per order. On a particular Saturday afternoon, a random
sample of 28 Noodles orders had a mean number of entrees equal to
2.4 with a standard deviation equal to 0.98. At the 1 percent level
of significance, does this sample show that the average number of
entrees per order was greater than expected? (a) Choose the correct
null and alternative hypotheses. a. H0: μ ≥ 2.1 vs. H1: μ < 2.1
b. H0: μ ≤ 2.1 vs. H1: μ > 2.1 c. H0: μ = 2.1 vs. H1: μ ≠ 2.1 a
b c (b-1) Calculate the t statistic. (Round your answer to 2
decimal places.) tcalc (b-2) Find the p-value. (Round your answer
to 4 decimal places.) p-value (c) Choose the correct conclusion.
Because the p-value is less than 0.01, we conclude that there is
evidence to indicate a significant increase in the average number
of entrees per order. Because the p-value is greater than 0.01, we
conclude that there is no evidence to indicate a significant
increase in the average number of entrees per order.

  

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