The proportion of defective microcomputer disks of a


Question: The proportion of defective microcomputer disks of a certain kind is believed to be anywhere from 0.06 to 0.10. The manufacturer wants to draw a random sample and estimate the proportion of all defective disks. How large should the sample be to ensure that the standard deviation of the estimator is at most 0.03?

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Basic Statistics: The proportion of defective microcomputer disks of a
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