Problem #6 Find sample size: A programmer plans to develop a new software system. In planning the operating system, he n
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Problem #6 Find sample size: A programmer plans to develop a new software system. In planning the operating system, he n
Problem #6 Find sample size: A programmer plans to develop a new software system. In planning the operating system, he needs the estimate the % of computers that use a new operating system. How many computers must be surveyed in order to be 95% within 4% margin of error. a) Assume that nothing is known about the percentage of computers with new operating systems. b) Assume that a recent survey suggest that about 87% of computers use a new operating system.
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