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The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.1fluid ounces and a standard

The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.1fluid ounces and a standard deviation of 0.3fluid ounce. A drink is randomly selected.

(a) Find the probability that the drink is less than 11.9fluid ounces.

(b) Find the probability that the drink is between 11.7and 11.9fluid ounces.

(c) Find the probability that the drink is more than 12.5fluid ounces. Can this be considered an unusual event? Explain your reasoning.

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