1. For a continuous random variable X with mean x and variance o, prove that E(a+bX)...
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1. For a continuous random variable X with mean x and variance o, prove that E(a+bX) = a + bux and var(a+bX) bo where a and b are unspecified constants. What is the standard deviation of a +bX? 2. Let the random variable X have pdf f(x)=², -c<x< c. 1111 100 1. For a continuous random variable X with mean x and variance o, prove that E(a+bX) = a + bux and var(a+bX) bo where a and b are unspecified constants. What is the standard deviation of a +bX? 2. Let the random variable X have pdf f(x)=², -c<x< c. 1111 100
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