Consider a population of 1024 mutual funds that primarily invest in large companies. You have determined that µ?, the mean? one-year total percentage return achieved by all the? funds, is 7.10 and that s, the standard? deviation, is 2.75.
Complete? (a) through? (c).
a. According to the empirical? rule, what percentage of these funds is expected to be within ?±2 standard deviations of the? mean?
b. According to the Chebyshev? rule, what percentage of these funds are expected to be within ?±3 standard deviations of the?mean?
c. According to the Chebyshev? rule, at least 93.75 of these funds are expected to have? one-year total returns between what two? amounts? Between X and X ?(Round to two decimal places as? needed.)
Complete? (a) through? (c).
a. According to the empirical? rule, what percentage of these funds is expected to be within ?±2 standard deviations of the? mean?
b. According to the Chebyshev? rule, what percentage of these funds are expected to be within ?±3 standard deviations of the?mean?
c. According to the Chebyshev? rule, at least 93.75 of these funds are expected to have? one-year total returns between what two? amounts? Between X and X ?(Round to two decimal places as? needed.)
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