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1. If the average of a sample size of 250 measures is $4 million and...

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Accounting

1. If the average of a sample size of 250 measures is $4 million and the standard deviation of the sample is $900000 what are the lower and upper bounds of the 95% confidence interval?

2. What is the probability that zero or less would occur in that population?

3. What is the probability that the return will be greater than $8 million?

4. What is the probability that the population mean would be greater than $8 million?

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