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###### Question details

Beer bottles are filled so that they contain an average of 330 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. [You may find it useful to reference the z table.]

a. What is the probability that a randomly selected bottle will have less than 326 ml of beer? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places, and final answer to 4 decimal places.)

Probability:_____________

b. What is the probability that a randomly selected 6-pack of beer will have a mean amount less than 326 ml? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places, and final answer to 4 decimal places.)

Probability:_____________

c. What is the probability that a randomly selected 12-pack of beer will have a mean amount less than 326 ml? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places, and final answer to 4 decimal places.)

Probability:_____________