[All Steps] At the time she was hired as a server at the Grumney Family restaurant, Beth Brigden was told, "You can average at least $20 a day in tips."
Question: At the time she was hired as a server at the Grumney Family restaurant, Beth Brigden was told, "You can average at least $20 a day in tips." Over the first 35 days she was employed at the restaurant, the mean daily amount of her tips was $24.85, with a standard deviation of $3.24. Can Ms. Brigden be 99% confident that she is earning an average of $20 or more per day in tips?
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![[Solution] The National Safety Council reported that](/images/solutions/MC-solution-library-58371.jpg "[Solution] The National Safety Council reported that 52 percent")
![[Solved] Chicken Delight claims that 90 percent](/images/solutions/MC-solution-library-58372.jpg "[Solved] Chicken Delight claims that 90 percent of its orders")
![[Solution Library] A sample of 20 pages](/images/solutions/MC-solution-library-58373.jpg "[Solution Library] A sample of 20 pages was taken without replacement")
![[See Solution] Biting an unpopped kernel of](/images/solutions/MC-solution-library-58374.jpg "[See Solution] Biting an unpopped kernel of popcorn hurts! As an experiment,")
