Back to Questions
Want to know:
example 9.4 an economist wants to know if the proportion of the U.S population who commutes to work via carpooling is on the rise. what sample size should be obtained if the economist wants to make an estimate within 2 percentage points of the true population w 90% confidence ifa. the economist uses the 2009 estimate of 10% obtained from the American community survey ?b. the economist does not use any prior estimate ?
Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.
Get the Answer for FreeHow StudyFetch Helps You Master This Topic
AI-Powered Answers
Get instant, detailed explanations powered by AI that understands your course material.
Deep Understanding
Go beyond surface-level answers with step-by-step breakdowns and examples.
Personalized Learning
Sparky adapts to your learning style and helps you connect ideas.
Practice & Test
Turn any question into flashcards, quizzes, and practice tests to solidify your knowledge.
Explore More Questions
- some european countries have a different trail system. it is referred to as the _____
- As a result of the process illustrated above, what major shift occurred in the Spanish colonies' encomienda system?a. There were many new converts to Christianity.b. The Spanish began debating the proper treatment of American Indians.c. Social, religious, political, and economic competition with other European nations developed.d. Indian labor was gradually replaced with African slavery.
- A concerted effort to build host state security organizations and conduct Security Sector Reform (SSR) can provide more capability and capacity to achieve PoC.