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Confidence Interval

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How do you figure a 90% confidence interval for the mean weight of all Siberian tigers in captivity from various zoo's, where the random sample is 31, the mean weight is 507 pounds from sample zoo's, with a standard deviation of 62 pounds?

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Solution Summary

The confidence interval for the mean weight of samples are given. The mean weight of Siberian tigers from sample zoo's are computed. The solution answers the question(s) below.

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