In the last quarter of 2007, a group of 64 mutual funds had mean return of 2.6% 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 in each region Use the 68-95-99.7 rule to approzimate the probabilities rather than using technology to find the values more
precisely. Answer all 4 questions a) Return of 10.0% or more b) returns of 2.6% or more c) returns between — 19.6% and 24.8% d) returns of less than –12.2%
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