A) A random sample of 40 university graduates showed that 55% earned at least $45,000 a year. Give a confidence interval for the percentage of university graduates who earn at least $45,000 a year.
B) If you take a larger sample size in A, will your confidence interval be longer or shorter?

Question

Quizplus · Accepted Answer

The Answer of A) A random sample of 40 university graduates showed that 55% earned at least $45,000 a year. Give a confidence interval for the percentage of university graduates who earn at least $45,000 a year.
B) If you take a larger sample size in A, will your confidence interval be longer or shorter?

A) a Random Sample of 40 University Graduates Showed That