Question
In the first quarter of 2017, a group of mutual funds had a mean return of...
In the first quarter of 2017, a group of mutual funds had a mean return of
6.76.7%
and a standard deviation of
2.72.7%.
The returns were well-described by a Normal model. According to the Normal model
N(6.76.7%,2.72.7%)
determine what percentage of this group of funds you would expect to have the following returns.
|
a) Over 6.8%? |
b) Between 0% and 7.6%? |
|
c) More than 1%? |
d) Less than 0%? |
a) The expected percentage of returns that are over 6.8% is
nothing%.
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