The number of entrees purchased in a single order at a Noodles Company restaurant has had an historical average of 1.60 entrees per order.

The number of entrees purchased in a single order at a Noodles & Company restaurant has had an historical average of 1.60 entrees per order. On a particular Saturday afternoon, a random sample of 40 Noodles orders had a mean number of entrees equal to 1.80 with a standard deviation equal to 1.11. At the 5% level of significance; does this sample shows that the average number of entries per order was greater than expected?

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