Question: Suppose X has a standard normal distribution. The phormo. dnormO, and onorm() functions should be useful In the folloWing. Remember, if X has a standard

Suppose X has a standard normal distribution. The phormo. dnormO, and onorm() functions should be useful In the folloWing. Remember, if X has a standard normal distribution then E()() = 0 and Var(>()=l. a) What is the expected value of $5 ? b) What is the variance of $5 ? c) Using R, nd the expected value of (x/2)7 ? d) Using R, calculate the probability x > -1.61) e) Using K. calculate the probability that -0.55

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