er 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 9.80 and th omplete (a) through (c). rding to the empirical rule, what percentage of these funds is expected to be within ±2 standard deviations of the mean?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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 9.80 and that o, the standard deviation, is
0.50. 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?
%
Transcribed Image Text: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 9.80 and that o, the standard deviation, is 0.50. 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? %
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