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In the first quarter of 2017, a group of mutual funds had a mean return of 6.3% and a standard deviation of 2.9%. The returns were well-described by a Normal model. According to the Normal model N(6.3%,2.9%) determine what percentage of this group of funds you would expect to have the following returns. a) Over 6.8%? c) More than 1%? b) Between 0% and 7.6%? d) Less than 0%?

In the first quarter of 2017, a group of mutual funds had a mean return of 6.3% and a standard deviation of 2.9%. The returns were well-described by a Normal model. According to the Normal model N(6.3%,2.9%) determine what percentage of this group of funds you would expect to have the following returns. a) Over 6.8%? c) More than 1%? b) Between 0% and 7.6%? d) Less than 0%?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In the first quarter of 2017, a group of mutual funds had a mean return of 6.3% and a standard deviation of 2.9%. The returns were well-described by a Normal model. According to the Normal model N(6.3%, 2.9%) determine what percentage of this group of funds you would expect to have the following returns. a) Over 6.8%? c) More than 1%? b) Between 0% and 7.6%? d) Less than 0%?
Transcribed Image Text:In the first quarter of 2017, a group of mutual funds had a mean return of 6.3% and a standard deviation of 2.9%. The returns were well-described by a Normal model. According to the Normal model N(6.3%, 2.9%) determine what percentage of this group of funds you would expect to have the following returns. a) Over 6.8%? c) More than 1%? b) Between 0% and 7.6%? d) Less than 0%?
Expert Solution
Step 1: Introducing the given information
X~N( μ , ?)

μ = 6.3 , ? = 2.9


Z-score =( x - μ )/?


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