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9. After executing this code int a = 57; int b = 43; a b a a b a a b a += b; = a - b; -= b; += b; = a - b; -= b; += b; = a - b; -= b; the values of a and b will be swapped. (A) TRUE (B) FALSE
If X is a random variable, then for any constants a and b, which of the following equations is correct?
a. E(aX + b) = aE(X) + b
b. E(aX + b) = aE(X)
c. E(aX + b) = 2aE(X) + b
d. E(aX + b) = E(aX) + 2b
7. In the logic diagram above, the output represents a. A OR B. b. A XOR B c. Inverted (A XOR B) d. Inverted (A OR B)
