The quarterly returns for a group of 79

79 mutual funds with a mean of 1.3

1.3% and a standard deviation of 4.2

4.2% can be modeled by a Normal model. Based on the model N(0.013

0.013,0.042

0.042), what are the cutoff values for the

a) highest 30

30% of thesefunds?

b) lowest 10

10%?

c) highest 90