The lengths of plate glass parts are measured to the nearest tenth of a millimeter. The lengths are uniformly distributed with values at every tenth of a millimeter starting at 590.5 and continuing through 590.9. Determine the mean and variance of the lengths. (Show solution) O a. E(X) = 590.7 mm., V(X) = 0.02 mm² O b. NONE OC. E(X) = 590.45 mm., V(X) = 0.0825 mm² O d. E(X) = 590.7 mm., V(X) = 0.20 mm²
The lengths of plate glass parts are measured to the nearest tenth of a millimeter. The lengths are uniformly distributed with values at every tenth of a millimeter starting at 590.5 and continuing through 590.9. Determine the mean and variance of the lengths. (Show solution) O a. E(X) = 590.7 mm., V(X) = 0.02 mm² O b. NONE OC. E(X) = 590.45 mm., V(X) = 0.0825 mm² O d. E(X) = 590.7 mm., V(X) = 0.20 mm²
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter61: Areas Of Circles, Sectors, And Segments
Section: Chapter Questions
Problem 24A: A piece shown by the shaded portion is to be cut from a square plate 128 millimeters on a side. a....
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Transcribed Image Text:The lengths of plate glass parts are measured to the nearest tenth of a millimeter. The lengths are
uniformly distributed with values at every tenth of a millimeter starting at 590.5 and continuing
through 590.9. Determine the mean and variance of the lengths. (Show solution)
O a. E(X) = 590.7 mm., V(X) = 0.02 mm²
b. NONE
O C. E(X) = 590.45 mm., V(X) = 0.0825 mm²
O d. E(X) = 590.7 mm., V(X) = 0.20 mm²2
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