Find the confidence level and α for a 96% confidence interval. What is the confidence level?...
Find the confidence level and a for an 89% confidence interval. What is the confidence level? (Type an integer or a decimal.) Determine the value of a. CY (Type an integer or a decimal.)
For a confidence level of 96% with a sample size of 55, find the z score for the right bound of the confidence interval. This requires taking NORMINV of the appropriate value. Show your answer to 3 decimals.
construct a confidence interval: Construct a confidence interval for Pi-P2 at the given level of confidence x = 27.-253. x2 40,12 - 321, 95% confidence The researchers are confident the difference between the two population proportions. Pr - P2, is between and (Use ascending order. Type an integer or decimal rounded to three decimal places as needed)
17. If the confidence level for a confidence interval is 98%. then the error rate α is ______. a. 98% b. 2% c. 95% d. 5% 18. Suppose the sample mean is μ and the confidence interval for population mean is (μ-E, μ+E). E will be getting smaller if: (18.a) the sample size is getting ___________; a. smaller b. larger (18.b) the standard deviation of the data in the sample is __________; a. smaller b. larger (18.c) the allowed error...
Use the confidence level and sample data to find a confidence interval for estimating the population . Round your rower to the same number of decimal place as the sample mean From packages received by a percel service, 41 are randomly selected. The sample has a mean weight of 11.6 pounds. The population standard deviation is a 24 pounds. What is the 96% confidence interval for the tree w packages received by the parol service? O A 1075*2125 OB. 10.95<<123...
We wish to create a 96% confidence interval for the proportion. A sample of 34 gives a proportion of 0.19. Find the lower value for the confidence interval. Round to 3 decimal places.
Construct a confidence interval for P1 - P2 at the given level of confidence. Xy = 33, ny = 265, X2 = 30, n2 = 283, 90% confidence and : The researchers are % confident the difference between the two population proportions, P1-P2, is between (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)
Construct a confidence interval for P1 - P2 at the given level of confidence. X1 = 366, n = 512, X2 = 422, n2 = 563, 95% confidence and The researchers are % confident the difference between the two population proportions, P1-P2, is between (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)
X11.1.15 Construct a confidence interval for p - p2 at the given level of confidence. X1 28, n1 236, x2 40, n2 308, 99% confidence % confident the difference between the two population proportions, p - P2. is between The researchers are and (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)
7. Construct a confidence interval for p - P2 at the given level of confidence Xy = 399, n = 531, X2 = 444, n2 = 564, 99% confidence The researchers are % confident the difference between the two population proportions, P1-P2.is between and (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)