A hospital emergency room has collected a sample of n = 40 to estimate the mean number of visits per day. It has found the standard deviation is 32. Using a 90 percent confidence level, what is its margin of error?
A) Approximately ±1.5 visits
B) About ±9.9 visits
C) Approximately ±8.3 visits
D) About ±1.3 visits
C
Business
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A. to develop a management strategy to maintain greater control over legal uncertainty. B. to intervene when problems do occur to minimize their disruption to a business. C. to prevent problems from occurring. D. All of these are correct.
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The value of a brand name in communicating quality or other aspects of the product is called:
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