Question: 1- 80% confidence interval: C180% = 84.74 +- 1.28 * (4.32/7.07) = 84.74 +- 0.78 = (85.52, 83.96) Here, margin of error is 20%

 1- 80% confidence interval: C180% = 84.74 +- 1.28 * (4.32/7.07)

1- 80% confidence interval: C180% = 84.74 +- 1.28 * (4.32/7.07) = 84.74 +- 0.78 = (85.52, 83.96) Here, margin of error is 20%

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!