경영통계 연습3

소개글

투자론 과목을 공부하면서 연습했던 문제들에 대한 개인적인 해설과 이해를 돕기위한 개념을 기술 해놓은 자료입니다. 많은 도움이 되었으면 좋겠습니다.

목차

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본문내용

1. You apply for a position at 2 firms. Let event A represent the outcome of getting an offer from the first firm and event B represent the outcome of getting an offer from the second firm.
a. Explain why events A and B are not exhaustive.

3. More and More households are struggling to pay utility bills given a shaky economy and high heating costs. Particularly hard hit are households with homes heated with propane or heating oil. May of these households are spending twice as much to stay warm this winter compared to those who heat with natural gas or electricity. A representative sample of 500 households was taken to investigate if the type of heating influences whether or not a household is delinquent in paying its utility bill. The following table reports the results.

참고 자료

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