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You want to estimate the mean weight of quarters in circulation. A sample of 50 quarters has a mean weight of 5.683 grams and a

You want to estimate the mean weight of quarters in circulation. A sample of 50 quarters has a mean weight of 5.683 grams and a standard deviation of 0.063 gram. Use a single value to estimate the mean weight of all quarters.Also, find the95% confidence interval for the average weight of all quarters.

The estimate for the mean weight of all quarters is

nothing

grams.

(Round to three decimal places asneeded.)

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