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Find the probability that area under the normal curve.

Central Limit Theorem Area under a Curve:

The manufacturer of a coffee dispensing machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces and standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured, what is the possibility that- The sample mean per cup is less than 7.80 ounces?

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