1. The confidence level measures
A. The probability of the parameter being contained in the interval
B. How often the estimation method is successful
C. The probability of a statistic being contained in the interval
D. All of the above
2. In the 1960 presidential election, 34,226,731 people voted for Kennedy; 34,108,157 for Nixon, and 197,029 for third-party candidates. would it be appropriate to find a confidence interval for the proportion of voters choosing Kennedy?
A. Yes. Simply find the standard error and add/subtract 1.96 times the standard error to the estimate.
B. No. We already know the population proportion. We only need a confidence interval when we have a sample proportion and want to generalize about the population.
A. The probability of the parameter being contained in the interval
B. How often the estimation method is successful
C. The probability of a statistic being contained in the interval
D. All of the above
2. In the 1960 presidential election, 34,226,731 people voted for Kennedy; 34,108,157 for Nixon, and 197,029 for third-party candidates. would it be appropriate to find a confidence interval for the proportion of voters choosing Kennedy?
A. Yes. Simply find the standard error and add/subtract 1.96 times the standard error to the estimate.
B. No. We already know the population proportion. We only need a confidence interval when we have a sample proportion and want to generalize about the population.
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