This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise You may need to use the appropriate appendix table to answer this question. The average return for large-cap domestic stock funds over the three years 20092011 was 14.4%. Assume the three-year returns were normally distributed across funds with a standard deviation of 4.4%. (a) What is the probability an individual large-cap domestic stock fund had a three-year return of at least 22% ? (b) What is the probability an individual large-cap domestic stock fund had a three-year return of 15% or less? (c) How big does the return have to be to put a domestic stock fund in the top 20% for the three-year period