Mathematics, 01.07.2020 22:01 trinidymwilga
1. A random sample of 64 customers at a drive-through bank window is observed, and it is found that the teller spends an average of 2.8 minutes with each customer, with a standard deviation of 1.2 minutes. Is there sufficient evidence to conclude that the teller spends less than 3 minutes with each customer slader
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1. A random sample of 64 customers at a drive-through bank window is observed, and it is found that...
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