Christian wants to estimate the proportion of seniors who plan to attend her school’s prom. She interviews an SRS of 65 of the 695 seniors in her school and finds that 42 plan to attend the prom. Construct and interpret a 90% confidence interval for the proportion of seniors who plan to attend the prom. State: confidence interval for the true proportion of seniors who plan to attend the prom. Plan: ; Random: SRS; 10%: 65 is less than 10% of all seniors; Large Counts: 42 successes and 23 failures ≥ 10. Do: Conclude: We are 90% confident that the interval from includes the true proportion of all seniors .