The value for za2 that will be used to calculate the 99

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A sample of 200 rates of return on real estate investments was computed and recorded. the sample mean is calculated to be 12.10. Assume that the standard deviation of all rates of return on real estate is 2.1.

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The value for za/2 that will be used to calculate the 99% condidence interval is?

Estimate the mean of return on all real estate investments with 99% confidence.

Reference no: EM13605114

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