Question

A Gallup survey indicated that 72% of 18- to 29-year-olds, if given a choice, would prefer to start their own business rather than work for someone else. A random sample of 600 18- to 29-year-olds is obtained today.
(a) Describe the sampling distribution of pn, the sample proportion of 18- to 29-year-olds who would prefer to start their own business.
(b) In a random sample of 600 18- to 29-year-olds, what is the probability that no more than 70% would prefer to start their own business?
(c) Would it be unusual if a random sample of 600 18- to 29-year-olds resulted in 450 or more who would prefer to start their own business?


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  • CreatedApril 27, 2015
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