Essay
Suppose a sample of 120 items is drawn from a population of manufactured products and the number of defective items is recorded. Prior experience has shown that the proportion of defectives is 0.05.
Is the sampling distribution of the proportion of defectives approximately normal?
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What is the mean?
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What is the standard deviation?
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What is the probability that the sample proportion is less than 0.10?
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How would the sampling distribution of the sample proportion change if the sample size were raised to 200?
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Correct Answer:
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Yes; 0.05; 0.0199; 0...View Answer
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