What could be an interpretation in words of the confidence interval 3.98 plus or minus which the margin of error is 0.66?
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- What term is used to express the likelihood of an event occurring? Are there restrictions on its values? If so, what are they? If not, explain.The confidence interval for a population mean is (7.43, 7.59). What are the sample mean and the margin of error? Margin of Error = Give your answers as decimals, to two places.Please help
- A study found that for a sample of cars traveling on Interstate 70, the average speed was 70 mph with a 90% confidence interval for the population mean speed of drivers of (66 mph, 76 mph). How do you find the margin of error for this confidence interval? Show work please.Suppose a random sample of 50 basketball players showed the average height to be 78 inches. Also, assume that the population standard deviation is 1.5 inches. What do you notice about the length of the confidence interval as the confidence level goes down? And if you used a confidence level of 80%, would you expect the confidence interval to be wider or thinner than that of 90%? Explain.The confidence interval for a population mean is (7.32, 7.52). What are the sample mean and the margin of error? H = Margin of Error = Give your answers as decimals, to two places.
- In a article you can read, among other things, that the relative risk of death was 0.70 (95% confidence interval: 0.58- 0.85) for the exposed group compared to the unexposed group. Interpret RR and the confidence interval in your own words.Describe about the INTERPRETATION OF A CONFIDENCE INTERVAL.Please answer both please
