Question 7 12 pts An economist wants to know if the proportion of the U.S. population who commutes to work via carpoolin

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899604
Joined: Mon Aug 02, 2021 8:13 am

Question 7 12 pts An economist wants to know if the proportion of the U.S. population who commutes to work via carpoolin

Post by answerhappygod »

Question 7 12 Pts An Economist Wants To Know If The Proportion Of The U S Population Who Commutes To Work Via Carpoolin 1
Question 7 12 Pts An Economist Wants To Know If The Proportion Of The U S Population Who Commutes To Work Via Carpoolin 1 (144.97 KiB) Viewed 17 times
Question 7 12 pts An economist wants to know if the proportion of the U.S. population who commutes to work via carpooling is on the rise. What size sample should be obtained if the economist wants an estimate within 2 percentage points of the true proportion with 90% confidence if: (a) the economist uses the 2009 estimate of 10% obtained from the American Community Survey? Answer: a= 0.1 E= 0.02 , Sample Proportion= 9 , Za/2 (Rounded to three decimal places)= Sample Size= 606 (b) the economist does not use any prior estimates? Answer: Sample Size= 1681
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”