In: Statistics and Probability
Suppose X ~ Bernoulli(p), such that P(X=1)=p. Find the following.
a. Find E[e-2X]
b. Find Var(e-2X)
c. Find E[6 – 4X2]
d. Find Var(6 – 4X2)
a) The expected value here is computed as:
This is the required expected value here.
b) The second moment of e-2x is computed here as:
Therefore the variance of e-2x is computed here as:
This is the required variance here.
c) The expected value here is computed as:
This is the required expected value here.
d) The variance here is computed as:
This is the required variance here.