Suppose that you are testing the hypotheses Ho: p=0.25 vs. HA: p#0.25. A sample of size 200 results in a sample proportion of 0.32. a) Construct a 99% confidence interval for p. b) Based on the...


Suppose that you are testing the hypotheses Ho: p=0.25 vs. HA: p#0.25. A sample of size 200 results in a sample proportion of 0.32.<br>a) Construct a 99% confidence interval for p.<br>b) Based on the confidence interval, can you reject Ho at a = 0.01? Explain.<br>c) What is the difference between the standard error and standard deviation of the sample proportion?<br>d) Which is used in computing the confidence interval?<br>a) The 99% confidence interval for p is (, ).<br>(Round to three decimal places as needed.)<br>

Extracted text: Suppose that you are testing the hypotheses Ho: p=0.25 vs. HA: p#0.25. A sample of size 200 results in a sample proportion of 0.32. a) Construct a 99% confidence interval for p. b) Based on the confidence interval, can you reject Ho at a = 0.01? 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? a) The 99% confidence interval for p is (, ). (Round to three decimal places as needed.)

Jun 07, 2022
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