Assume that nothing is known about the percentage of

Reference no: EM13623668

You plan to develop a new software system that you believe will surpass the success of Google and Facebook combined. In planning for the operating system that you will use, you need to estimate the percentage of computers that use windows. How many computers must be surveyed in order to be 99% confident that your estimate is in error by no more than one percentage point?

A. Assume that nothing is known about the percentage of computers with windows operating systems.

B. Assume that a recent survey suggests that about 90% of computers use windows operating systems (based on data from Net Appications).

C. Does the additional survey information from part (b) have much of an effect on the sample size that is required?

Reference no: EM13623668

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