Quiz 1: Ratio & Proportion

27. B Use the sampling distribution of the sample proportion that you used above and the z-score. Look up 1.00 in the table. 0.8413 is listed in the table. This is the proportion less than, we want the proportion greater than so we take 1-0.8413=0.1587. 28. C ~N( p, ) when values of n, p satisfying np15 and n(1-p)15. ................
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