Question: Vending Machine: Soft Drinks

A vending machine automatically pours soft drinks into cups. The amount of soft drinks dispensed into a cup is normally distributed with a mean of 7.6 oz and standard deviation of 0.4 oz. Examine Figure 7-3 and answer the following questions.

a.) Estimate the probability that the machine will overflow an 8-oz cup.

b.) Estimate the probability that the machine will not overflow an 8-oz cup.

c.) The machine has just been loaded with 850 cups. How many of these do you expect will overflow when served?

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