A decision maker is interested in estimating the mean of a population based on a random sample.
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A decision maker is interested in estimating the mean of a population based on a random sample. She wants the confidence level to be 90% and the margin of error to be ± 0.30. She does not know what the population standard deviation is, so she has selected the following pilot sample:
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The sample sizecan be determined using the following steps Step 1 Specifythe d...View the full answer
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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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