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Beer bottles are filled so that they contain an average of 345 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard deviation of 7 ml. Use Table 1.
a. What is the probability that a randomly selected bottle will have less than 339 ml of beer
b. What is the probability that a randomly selected 12-pack of beer will have a mean amount less than 339 ml?
c. What is the probability that a randomly selected 6-pack of beer will have a mean amount less than 339 ml?
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