Copy of Confidence Intervals EB Share File Edit View Insert Format Data Tools Add-ons Help Last edit was 3 hours... 100% $ % .0 .00 123- Default (Ari... 10 Y BISA . . . 31 8 fx A B C D E F G H 1 Confidence Intervals In June of 1994 the Nick-at-Nite television network conducted a phone-in survey of its viewers v 2 "Which classic sitcom character, Jeannie from I Dream of Jeannie or Samantha from Bewitched 3 Inputs C 4 n 100 Samantha received 810,000 votes and Jeannie received 614,000. 5 phat 0.5 a) Identify the population and the parameter of interest 6 confidence 0.95 7 b) Is this sample a random sample from the population of interest? + 8 Computed Values 9 Z 1.959963986 10 E 0.09799819931 11 c) Find a 97% confidence interval for the population parameter of interest 12 Confidence Interval 13 phatMinusE 0.4020018007 14 phatPlusE 0.5979981993 d) Explain why the confidence interval is so narrow 15 16 17 18 19 20 21 22 23 24 + Sheet1 +