Calculate a confidence interval for a population proportion. From her purchased bags, Rory counted 110 red candies
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Question:
Calculate a confidence interval for a population proportion.
From her purchased bags, Rory counted 110 red candies out of 550 total candies.
Using a 90% confidence interval for the population proportion, what are the lower and upper limit of the interval? Answer choices are rounded to the thousandths place.
- a.)Lower Limit: 0.172
- Upper Limit: 0.228
- b.)Lower Limit: 0.228
- Upper Limit: 0.241
- c.)Lower Limit: 0.166
- Upper Limit: 0.241
- d.)Lower Limit: 0.166
- Upper Limit: 0.172
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