A population proportion is .58. Suppose a random sample of 660 items is sampled randomly from this

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A population proportion is .58. Suppose a random sample of 660 items is sampled randomly from this population.

a. What is the probability that the sample proportion is greater than .60?

b. What is the probability that the sample proportion is between .55 and .65?

c. What is the probability that the sample proportion is greater than .57?

d. What is the probability that the sample proportion is between .53 and .56?

e. What is the probability that the sample proportion is less than .48?

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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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A population proportion is .58. Suppose a random sample of 660 items is sampled randomly from this

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p 58 n 660 a P 60 z 104 From table A5 area 3508 P 60 5000 3508 1492 b P 55 ...View the full answer

Business Statistics for Contemporary Decision Making

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