From prior studies of ldl levels best known estimate of the

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It is desired to estimate the mean LDL level of healthy males in the state of Ohio at the 99% confidence level to within a maximum allowable error of plus or minus 0.5 units. From prior studies of LDL levels, best known estimate of the population varianceof this measure is 12.4. How large a sample will be needed to obtain the required estimate?

Reference no: EM13621247

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