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Expectation of 24.0 mm and a standard deviation of 0.3 mm. What are the expectation and variance of the length of the machine part

Expectation of 24.0 mm and a standard deviation of 0.3 mm. What are the expectation and variance of the length of the machine part
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expectation of 24.0 mm and a standard deviation of 0.3 mm. What are the expectation and variance of the length of the machine part

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User CraigTeegarden
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Are you sure the question is written correctly? Sounds like the expectations would just be the same (24.0) and the variance is the square of the standard deviation (so it would be 0.09).
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User Mokmeuh
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