in a survey of 1000 college students , it was found .80 prefer cheese pizza over mushroom pizza. given a margin of error of 0.013, compute the confidence interval for the population proportion who prefer cheese pizza over mushroom pizza. a) 0.187 to 0.213 b) 0.774 to 0.826 c) 0.800 to 0.813 d) 0.787 to 0.813