There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected

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There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly.
a. Determine the standard error of the proportion.
b. What is the probability that the sample proportion (proportion is females) is between 0.40 and 0.55?
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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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