The mean return for a random sample of 33 mutual funds is, Ask an Expert

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Construct a 95 percent confidence interval for population mean.

The mean return for a random sample of 33 mutual funds is 14.93 percent with a standard deviation of 9.57. Build a 95 percent confidence interval for mu, population mean.

1. 11.53 to 18.32

2. 11.01 to 18.85

3. 14.82 to 15.04

4. 10.95 to 18.91

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