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Consider a population of 1024 mutual funds that primarily invest in large companies. You have determined that mu?, the mean? one-year total percentage return achieved by all the? funds, is 9.50 and that sigma?, the standard? deviation, is 2.50. Complete? (a) through? (c).
a. According to the empirical? rule, what percentage of these funds is expected to be within ?±3 standard deviations of the? mean? ___%
b. According to the Chebyshev? rule, what percentage of these funds are expected to be within ?±4 standard deviations of the? mean? ________% ?(Round to two decimal places as? needed.)
c. According to the Chebyshev? rule, at least 96?% of these funds are expected to have? one-year total returns between what two? amounts?
Between _____ and ______.
?(Round to two decimal places as? needed.)
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