View the step-by-step solution to:


Let n1=50




40. Complete parts​ (a) and​ (b)


H0: π1=π2

H1: π1≠π2

Your answer is correct.

Calculate the test​ statistic,

ZSTAT​, is


Calculate the​ p-value.

The​ p-value is

. 000


the null hypothesis. There is sufficient

evidence to support the claim that there is a significant difference between the two population proportions.

b. Construct a 90

90​% confidence interval estimate of the difference between the two population proportions.

negative . 63

____ ≤π1−π2≤ ____

Top Answer

b. Construct a 90% confidence interval estimate of the... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question