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A contest for free movie tickets had contestants estimate the number of gumballs in a large bowl. In reviewing the results of a random sample
A contest for free movie tickets had contestants estimate the number of gumballs in a large bowl. In reviewing the results of a random sample of guesses, a contestant regulator found the mean guess was x=136 gumballs, with a margin of error of 13 gumballs.
Construct a confidence interval for the mean number of guesses.
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