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Mathematics, 07.06.2020 03:58 Nicoleazaria

A machine in the student lounge dispenses coffee. The average cup of coffee is supposed to contain 7.0 ounces. A random sample of seven cups of coffee from this machine show the average content to be 7.4 ounces with a standard deviation of 0.70 ounce. Do you think that the machine has slipped out of adjustment and that the average amount of coffee per cup is different from 7 ounces

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A machine in the student lounge dispenses coffee. The average cup of coffee is supposed to contain 7...
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