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Mathematics, 24.06.2019 19:50 silverdays566
The student newspaper at a college asks a simple random sample of 250 undergraduates, “do you favor eliminating supplemental fees for lab courses? ” in all, 150 of the 250 are in favor of eliminating such fees. suppose that unknown to you 55% of all undergraduates favor eliminating supplemental fees for lab courses. if you took a very large number of simple random sample of size n = 250 from this population, the sampling distribution of the sample proportion p would be approximately normal, the mean and standard deviation would be approximately what value?
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