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Mathematics, 29.01.2020 02:06, michaelsmith710
In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.8% with a standard deviation of 5.8%. 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 10.6% or more b) returns of 4.8% or less c) returns between negative 12.6% and 22.2% d) returns of more than 16.4%
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In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.8% with a standard de...
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