Question: A stringing machine is a device for adjusting the tension of strings in a tennis racket. Some tennis players ask for a string tension of

A stringing machine is a device for adjusting the tension of strings in a tennis racket. Some tennis players ask for a string tension of 65 pounds. The actual tension produced by the machine for the rackets belonging to these players varies according to a normal distribution with mean 65 pounds and standard deviation 2 pounds.

What proportion of rackets will have an actual string tension greater than 68 pounds? Choose the closest answer.

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