Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A corporation has 30 outlets in the North,40 in the South,60 in the Midwest,and 45 in the West.Using a proportional allocation of a random sample of 20% of the outlets,the manager records the following means and standard deviations.
-A sales representative has 850 accounts.She is interested in determining the proportion of her accounts that have placed an order within the past month.For a standard deviation of 0.5,how large a sample should she take in order to estimate the population proportion within five percent at a 95% level of confidence?
Correct Answer:
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1.96σ 
= 0.05 ⇒ σ ...View Answer
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Correct Answer:
Verified
= 0.05 ⇒ σ
...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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