A random sample of 200 items reveals that 144 of the items have the attribute of interest.
Question:
a. What is the point estimate for the population proportion for all items having this attribute?
b. Use the information from the random sample to develop a 95% confidence interval estimate for the population proportion, p , of all items having this attribute of interest.
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Related Book For 
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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