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You want to estimate the mean weight of quarters in circulation. A sample of 30 30 quarters has a mean weight of 5.673 5.6735 grams

You want to estimate the mean weight of quarters in circulation. A sample of 30

30 quarters has a mean weight of 5.673

5.6735 grams and a standard deviation of 0.061

0.061 gram. Use a single value to estimate the mean weight of all quarters.Also, find the 95% confidence interval for the average weight of all quarters.

The mean weight of all quarters is approximately

grams.

(Round to the nearest thousandth asneeded.)

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