In: Statistics and Probability
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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