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Suppose that you are testing the hypotheses H0​: p=0.22 vs. HA​: p≠0.22. A sample of size...

Suppose that you are testing the hypotheses H0​: p=0.22 vs. HA​: p≠0.22. A sample of size 150 results in a sample proportion of 0.26.

​a) Construct a 95​% confidence interval for p.

​b) Based on the confidence​ interval, can you reject H0at α=0.05​? 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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