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What is the margin of error based on a confidence interval

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Reference no: EM132351263

A random sample of 338 medical doctors showed that 180 had a solo practice.

(a) Let p represent the proportion of all medical doctors who have a solo practice. Find a point estimate for p. (Use 3 decimal places.)

(b) Find a 99% confidence interval for p. (Use 3 decimal places.)

lower limit

upper limit

Give a brief explanation of the meaning of the interval.

A) 99% of the all confidence intervals would include the true proportion of physicians with solo practices.

B) 1% of the confidence intervals created using this method would include the true proportion of physicians with solo practices.

C) 1% of the all confidence intervals would include the true proportion of physicians with solo practices.

D) 99% of the confidence intervals created using this method would include the true proportion of physicians with solo practices.

(c) As a news writer, how would you report the survey results regarding the percentage of medical doctors in solo practice?

A) Report p^ along with the margin of error.

B) Report the margin of error.

C) Report the confidence interval.

D) Report p^.

What is the margin of error based on a 99% confidence interval? (Use 3 decimal places.)

Reference no: EM132351263

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