Estimate a population proportion
Suppose you want to estimate a population proportion, p and p = 0.35, N=5,600, and n= 1,800. Find an approximate 95% confidence interval for p.
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Is the relative frequency of the ammonia level skewed to the right?
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The athletic director claims that the attendance is the same as last year. If a = .05, what are the critical values for this two-tailed t test?
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