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The quarterly returns for a group of 5656 mutual funds with a mean of 2.32.3% and...
The quarterly returns for a group of 5656 mutual funds with a mean of 2.32.3% and a standard deviation of 6.16.1% can be modeled by a Normal model. Based on the model N(0.0230.023,0.0610.061), what are the cutoff values for the a) highest 4040% of these funds? b) lowest 1010%? c) middle 6060%? d) highest 9090%?
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