(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.) .1479 (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.) .1586 (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.) 9.84

MATLAB: An Introduction with Applications
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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.)
.1479
(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.)
.1586
(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.)
9.84
x %
Transcribed Image Text: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.) .1479 (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.) .1586 (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.) 9.84 x %
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