The annual return, , on an investment portfolio can be represented by a normal random variable
with mean $4,000 and standard deviation $3,500.
1) What is the probability that the annual return will exceed $6,000? Provide a graphical illustration of
your answer.
2) What is the probability that the annual return will be between $3,000 and $5,500? Provide a graphical
illustration of your answer.
3) The probability is .05 that the annual return will be more than how much?