A random sample of 300 items reveals that 216 of the items have the attribute of interest. (A)  What is the point estimate for the population proportion for all items having this attribute? Answer: The point of estimate is   (B) Use the information from the random sample to develop a 99% confidence interval estimate for the population proportion, π, of all items having this attribute of interest. (use 3 decimal places for your answer) Lower limit :     Upper limit :

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