Two samples of 1200 adults in the U.S. each were asked if and how they plan to first watch upcoming big-budget films. In the first sample, 240 stated that they plan to see Avengers: Secret Wars in theaters and in the second sample, 168 said they plan to see Super Mario Bros. Movie in theaters. Construct a 90 % confidence interval to estimate the true difference in the proportion of adults who plan to see Avengers: Secret Wars ( p 1 ) and Super Mario Bros. Movie ( p 2 ). You may use the Compare Two Population Proportions Statistical Tool. (a) The sample statistic is p 1 p 2 = (b) The standard error is Round to four decimal places. (c) In three decimal places, the 90 % confidence interval is Note: When typing in an interval, write your answer as ( x , y ) with no spaces where x and y represent real numbers