An economist reports that 560 out of a sample of
An economist reports that 560 out of a sample of 1,200 middle-income American households actively participate in the stock market.
a. Construct the 90% confidence interval for the proportion of middle-income Americans who actively participate in the stock market.
b. Can we conclude that the proportion of middle-income Americans who actively participate in the stock market is not 50%?

Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help