Electricity can be used to create magnetism
A) True B) False
A
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Let X and Y be random variables, and a and b be constants.
a. Prove that Cov(aX, bY)=abCov(X,Y).
b. Prove that if a > 0 and b > 0, then 
. Conclude that the correlation coefficient is unaffected by changes in units.
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The main driver-operated brakes of the vehicle are also called ________ brakes
A) Base B) Foundation C) Both A and B D) Neither A nor B
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Which power line fault category is symptomatic of a total loss of utility power?
a. Sag. b. Spike. c. Noise. d. Blackout.
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If everything in the system is functioning smoothly, both LTFT and STFT values should be close to 0.
Answer the following statement true (T) or false (F)
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