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8. About 80% of US. residents are right-handed. a. In a random sample of 500 residents, What range of numbers of right- handed residents is

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8. About 80% of US. residents are right-handed. a. In a random sample of 500 residents, What range of numbers of right- handed residents is reasonably likely? b. If 1000 residents are selected at random, would it be unusual to nd that less than 77% of the residents in the sample are right-handed? Explain your reasoning and show calculations

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