The quarterly returns for a group of 68 mutual funds with a mean of 2.8% and a standard deviation of 6.8% can be modeled by a Normal model. Based on the model N(0.028,0.068), what are the cutoff values for the a) highest 20% of these funds? b) lowest 40%? c) middle 80%? d) highest 60%?
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the quarterly returns of a group of 56 mutual fund with the mean of 1.1% and standard deviation of 5.6% can be modeled by a normal model. based on the model N(0.011, 0.056), what are the cutoff values for the
a) a highest 40% of these funds?
b)lowest 20%?
c)middle 80%?
d) higest 80%?
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