Market researcher Gartner Dataquest reports that Dell Computer controls 27% of the PC market in the United

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Market researcher Gartner Dataquest reports that Dell Computer controls 27% of the PC market in the United States. Suppose a business researcher randomly selects 130 recent purchasers of PC.

a. What is the probability that more than 39 PC purchasers bought a Dell computer?

b. What is the probability that between 28 and 38 PC purchasers (inclusive) bought a Dell computer?

c. What is the probability that fewer than 23 PC purchasers bought a Dell computer?

d. What is the probability that exactly 33 PC purchasers bought a Dell computer?

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Business Statistics for Contemporary Decision Making

ISBN: 978-0470910184

6th Edition

Authors: Ken Black

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Question Posted: Mar 19, 2013 04:22 AM

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Market researcher Gartner Dataquest reports that Dell Computer controls 27% of the PC market in the United

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p 27 n 130 Conversion to normal dist n p 13027 351 5062 a P x 39 Correct for c...View the full answer

Business Statistics for Contemporary Decision Making

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