The average return for large-cap domestic stock funds over three years 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 19%? (Round your answer to four decimal places.) 0. 1020 X (b) What is the probability an individual large-cap domestic stock fund had a three-year return of 10% or less? (Round your answer to four decimal places.) 0. 1587 (c) How big does the return have to be to put a domestic stock fund in the top 15% for the three-year period? (Round your answer to two decimal places.) 20 032 X %