Normally distributed population mean

Reference no: EM1316641

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 probability that:

The sample mean per cup is less than 7.8 ounces?

Reference no: EM1316641

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