Question

You work for the consumer insights department of a major big-box retailer and you are investigating the efficacy of a new e-mail marketing campaign. Through the use of e-mail analytics research, you have determined that in a random sample of 901 monitored subscribers, 181 of them opened the e-mail within 24 hours of receiving it. What is the 95% confidence interval for the true proportion of all e-mail subscribers that opened the e-mail within 24 hours of receiving it? options: 1) ( 0.17473 , 0.22705 ) 2) ( 0.77295 , 0.82527 ) 3) ( -0.17473 , 0.22705 ) 4) ( 0.18754 , 0.21424 ) 5) ( 0.17893 , 0.22284 )

Answer 1