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worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with a mean equal to 14 centimeters and

worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with a mean equal to 14 centimeters and a variance equal to 9. Determine the probability that a component is at least 12 centimeters long. Round your answer to four decimal places. Provide your answer below:

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