a survey of an urban university (population of 25,450) showed that 750 of 1,100 students sampled attended a home football game during the season. using the 90% level of confidence, what is the confidence interval for the proportion of students attending a football game? multiple choice [0.7510, 0.8290] [0.6592, 0.7044] [0.6659, 0.6941] [0.6795, 0.6805]