Mathematics, 19.12.2019 05:31 oh2joy

Aprogrammer plans to develop a new software system. in planning for the operating system he will use, he needs to estimate the percentage of computers that use a new operating systems. how many computers must be surveyed in order to be 90% confident that his estimate is in error by no more than four percentage points? a) assume that nothing is known about the percentage of computers with new operating systems. n = ? b) assume that a recent survey suggests that 99% of computers use a new operating system. n = ?

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Aprogrammer plans to develop a new software system. in planning for the operating system he will use...