Question

the quarterly returns for a group of 79 mutual funds with a mean of 1.1% and a standard deviation of 4.5% can be modeled by a normal model. based on the model N(0.011,0.045), what are the cutoff values for the:
a) highest 40% of these funds
b) lowest 20%?
c) middle 80%?
d) highest 80%?

Answer 1

Based on your question where the quarterly returns for a group of 79 mutual funds with a mean of 1.1% and the standard deviation of 4.5% can be modeled by a normal model so based on that data the possible answer among the choices is B.