Question

The University of Delaware would like to estimate the proportion of fans who purchase concessions at the first basketball game of the new season. The basketball facility has a capacity of 3,500 people and is routinely sold out. It was discovered that a total of 260 fans out of a random sample of 400 purchased concessions during the game.
a. Construct a 95% confidence interval to estimate the proportion of fans who purchased concessions during the game.
b. Verify your results using PHStat.


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  • CreatedJuly 17, 2015
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