describe probability that area under a normal curve.
describe Central Limit Theorem Area under a Curve
The manufacturer of a coffee provision machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces as well as standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured describe what the probability is that: The sample mean per cup is less than 7.8 ounces?