A random sample of 328 medical doctors showed that 171 have a solo practice (Source: Practice Patterns
Question:
A random sample of 328 medical doctors showed that 171 have a solo practice (Source: Practice Patterns of General Internal Medicine, American Medical Association).
(a) Let p represent the proportion of all medical doctors who have a solo practice. Find a point estimate for p.
(b) Find a 95% condence interval for p. Give a brief explanation of the meaning of the interval.
(c) Interpretation As a news writer, how would you report the survey results regarding the percentage of medical doctors in solo practice? What is the margin of error based on a 95% condence interval?
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n 328 r 171 n r 157 both np and nq 5 a b c 95 so z c 196 In repeated sampling appr...View the full answer
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Related Book For 
Understandable Statistics Concepts And Methods
ISBN: 9781337119917
12th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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