Question content area top Part 1 In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.8% with a standard deviation of 7.4%. If a normal model can be used to model them, what percent of the funds would you expect to be in each region? Use the 68-95-99.7 rule to approximate the probabilities rather than using technology to find the values more precisely. Be sure to draw a picture first. a) Returns of negative 10.0% or lessless b) Returns of 4.8% or lessless c) Returns between negative 17.4% and 27.0% d) Returns of moremore than 12.2%
Question content area top Part 1 In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.8% with a standard deviation of 7.4%. If a normal model can be used to model them, what percent of the funds would you expect to be in each region? Use the 68-95-99.7 rule to approximate the probabilities rather than using technology to find the values more precisely. Be sure to draw a picture first. a) Returns of negative 10.0% or lessless b) Returns of 4.8% or lessless c) Returns between negative 17.4% and 27.0% d) Returns of moremore than 12.2%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 12PPS
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Question content area top
Part 1
In the last quarter of 2007, a group of 64 mutual funds had a mean return of
4.8%
with a standard deviation of
7.4%.
If a normal model can be used to model them, what percent of the funds would you expect to be in each region? Use the 68-95-99.7 rule to approximate the probabilities rather than using technology to find the values more precisely. Be sure to draw a picture first.
a) Returns of
negative 10.0%
or lessless |
b) Returns of
4.8%
or lessless |
c) Returns between
negative 17.4%
and
27.0%
|
d) Returns of
moremore
than
12.2%
|
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