A sample selected from a population gave a sample proportion equal to .31. a. Make a 95%
Question:
a. Make a 95% confidence interval for p assuming n = 1200.
b. Construct a 95% confidence interval for p assuming n = 500.
c. Make a 95% confidence interval for p assuming n = 80.
d. Does the width of the confidence intervals constructed in parts a through c increase as the sample size decreases? If yes, explain why.
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p 31 and 1 p 1 31 69 a n 1200 and sp p n 31691200 01335103 ...View the full answer
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