B) assume that a recent survey suggests that about 95% of computers use a new operating systemC) does the additional survey information from part B have much of an effect on the sample size that is required

A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 90% condent that his estimate is in error by no more than three percentage points? Complete parts (a) through (c) below. - 3) Assume that nothing is known about the petuentage oi computers with new operating systems. n=Ei (Round up to the nearest integer')