Question

Consider a population of 1024 mutual funds that primarily invest in large companies. You have determined that u,the mean one-year total percentage return achieved by all the funds, is 6.10 and that sigma, the standard deviation, is 0.75. 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 ±3 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.)

          Consider a population of 1024 mutual funds that primarily invest
in large companies. You have determined that u,the mean one-year
total percentage return achieved by all the funds, is 6.10 and
that sigma, the standard deviation, is
0.75.
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 ±3 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.)

Added by Andrew M.

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