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Suppose that you are testing the hypotheses Upper H 0​: pequals0.25 vs. Upper H Subscript Upper...

Suppose that you are testing the hypotheses Upper H 0​: pequals0.25 vs. Upper H Subscript Upper A​: pnot equals0.25. A sample of size 300 results in a sample proportion of 0.31. ​

a) Construct a 90​% confidence interval for p. ​ b) Based on the confidence​ interval, can you reject Upper H 0 at alphaequals0.10​? Explain. ​ c) What is the difference between the standard error and standard deviation of the sample​ proportion? ​ d) Which is used in computing the confidence​ interval? ​

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orchestra answered 3 years ago
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