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A survey of all medium-large sized corporations showed that 60% of them offer retirement plans to their employees. Let p.l be the proportion in a
A survey of all medium-large sized corporations showed that 60% of them offer retirement plans to their employees. Let p.l be the proportion in a random sample of 60 such corporations that offer retirement plans to their employees Fine the mean and standard deviation of the sample proportion p Fine the probability that the sample proportion p is greater than 0.65
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