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.

How would i preform on the graphing calculator? This will make this process so much faster instead of doing by hand. can you provide the steps as far as what function on the calculator and what to input.