The standard deviation for the number of times per year single people go on a date is known to be 12.5. You are interested in finding a 99% confidence interval for the average number of dates per year that single college students go on. The data below show the results of the survey that you took.
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State which confidence interval applies: Select an answer Confidence interval for a population proportion: 1PropZInt Confidence interval for a population mean, Pop. Std. Known: ZInterval Confidence interval for a population mean, Pop. Std. Unknown: TInterval
State the Conclusion in the context of the problem.
We are ? 90% 95% 99% confident that the population Select an answer mean proportion number of dates per year that single college students go on is between and . Give your answer accurate to three decimal places.
State the interpretation in the context of the problem.
If many studies were done, each with a slightly different sample size, each study would produce a slightly different confidence interval. About ? 90% 95% 99% will contain the population Select an answer mean proportion and about ? 1% 5% 10% will not.