Mathematics, 25.07.2019 15:00 jjjjjj6643
Anational restaurant chain claims that their servers make an average of $12.85 in tips per hour, with a standard deviation of $2.15. the servers at the restaurant chain's location in dallas make an average of $8.65 in tips per hour. given that the data is approximately normal, find the probability that a server, chosen at random, will make more than $8.65 in tips per hour.
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is the normal law with mean 0 and standard deviation 1. 
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Anational restaurant chain claims that their servers make an average of $12.85 in tips per hour, wit...
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