Use the t-distribution to find a confidence interval for a mean given the relevant sample results....
Use the t-distribution to find a confidence interval for a mean u given the relevant sample results. Give the best point estimate for u, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed. A 95% confidence interval for u using the sample results I = 10.5,5 = 6.9, and n = 30 Round your answer for the point estimate to one decimal place, and your...
Use the t-distribution to find a confidence interval for a mean μ given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed. A 99% confidence interval for μ using the sample results x¯=93.5, s=34.3, and n=15 Round your answer for the point estimate to one decimal place, and your answers for the margin of...
Chapter 6, Section 2-CI, Exercise 084 Use the t-distribution to find a confidence interval for a mean μ given the relevant sample results. Give the best point estimate for μ, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed. A 90% confidence interval for using the sample results x̄ = 128.6, s = 49.5, and n = 50.
Question 11 View Policies Current Attempt in Progress Use the t-distribution to find a confidence interval for a mean given the relevant sample results. Give the best point estimate for the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed. A 90% confidence interval for using the sample results T = 3.2.5 = 0.2, and n = 100 Round your answer for the point estimate to...
Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best point estimate for p, the margin of error, and the confidence interval. Assume the results come from a random sample. A 90% confidence interval for p given that p^=0.33 and n=475 . Round your answer for the best point estimate to two decimal places, and your answers for the margin of error and the confidence interval to three decimal...
Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best point estimate for p, the margin of error, and the confidence interval. Assume the results come from a random sample. A 90% confidence interval for p given that p^=0.41 and n=475. Round your answer for the best point estimate to two decimal places, and your answers for the margin of error and the confidence interval to three decimal places...
please help! Chapter 6, Section 2-CI, Exercise 086 Use the t-distribution to find a confidence interval for a mean y given the relevant sample results. Give the best point estimate for y, the margin of error, and the confidence interval. Assume the results come from random sample from a population that is approximately normally distributed. A 99% confidence interval for u using the sample results I = 85.9, s = 30.0, and n = 15 Round your answer for the...
Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best point estimate for p , the margin of error, and the confidence interval. Assume the results come from a random sample. A 95% confidence interval for the proportion of the population in Category A given that 18% of a sample of 450 are in Category A. Round your answer for the point estimate to two decimal places, and your...
Use the t-distribution to find a confidence interval for a difference in means M - U2 given the relevant sample results. Give the best estimate for ui - U2, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed. = 30 and X2 = 64.5, A 95% confidence interval for Mi - uz using the sample results īj = 82.3, si = 10.8, n S2 = 6.9, n2...
- Your answer is partially correct. Use a t-distribution to find a confidence interval for the difference in means M, = # - My using the relevant sample results from paired data. Assume the results come from random samples from populations that are approximately normally distributed, and that differences are computed using d = 11 - 12 A 95% confidence interval for using the paired difference sample results. = 3.7.84 = 1.9.14 = 30. Give the best estimate for the...