Question: A confidence interval with a 95% confidence level for the proportion of voters who are in favor of the proposition in a referendum is (0.71,

A confidence interval with a 95% confidence level for the proportion of voters who are in favor of the proposition in a referendum is (0.71, 0.77). How many persons were surveyed in this poll?

a 644
b 685
c 740
d

822

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!