Mathematics, 07.04.2020 03:15 madiforkner
A test instrument needs to be calibrated periodically to prevent measurement errors. After some time of use without calibration, it is known that the probability density function of the measurement error is f(x)=1-0.5x for 0 < x < 2 millimeters. Determine the mean, variance and standard deviation of the random variable.
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Ribbon a is 1/3 meters long. it is 2/5 meters shorter than ribbon b. what's the total length of 2 ribbons?
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A test instrument needs to be calibrated periodically to prevent measurement errors. After some time...
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