Question
The quarterly returns for a group of 80 mutual funds with a mean of 3.7% and...
The quarterly returns for a group of 80 mutual funds with a mean of 3.7% and a standard deviation of 6.8% can be modeled by a Normal model. Based on the model
N(0.037,0.068), what are the cutoff values for the
a) highest 40% of these funds?
b) lowest 30%?
c) middle 60%?
d) highest 70%?
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