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SusanAthena, Master's Degree

Category: Calculus and Above

Satisfied Customers: 102

Experience: Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

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A consulting company wants to estimate the proportion of

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good morning JA: Hi. What is your issue regarding? Customer: A consulting company wants to estimate the proportion of Americans who own their house. What sample size should be obtained if the estimate is expected to be within 0.02 with 90% confidence if a. they use an estimate of 0.675 from the Census Bureau? b. they do not use any prior estimates? But in solving this problem, you are actually using a form of "prior" estimate in the formula used. In this case, what is your "actual" prior estimate? Please explain JA: The advanced math tutor can help you get an A on your homework or ace your next business test. Is there anything else important you think the advanced math tutor should know? Customer: no. i just dont understand the 90% confidence thing