According to a survey by Accountemps, 48% of executives believe that employees are most productive on Tuesdays.

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According to a survey by Accountemps, 48% of executives believe that employees are most productive on Tuesdays. Suppose 200 executives are randomly surveyed.

a. What is the probability that fewer than 90 of the executives believe employees are most productive on Tuesdays?

b. What is the probability that more than 100 of the executives believe employees are most productive on Tuesdays?

c. What is the probability that more than 80 of the executives believe employees are most productive on Tuesdays?

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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 04:25 AM

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According to a survey by Accountemps, 48% of executives believe that employees are most productive on Tuesdays.

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p 48 n 200 a P x 90 45 z 085 From Table A5 the area for z 085 is ...View the full answer

Business Statistics for Contemporary Decision Making

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