Find the confidence level and α for an 86​% confidence interval. What is the confidence​ level? Determine the value of α.

Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (1.9.3.1) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample mean is

Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.6,4.8) when estimating the mean height​ (in centimeters) of a sample of seedlings.    What is the estimated margin of error?

Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (4.0,4.8) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is

Use the confidence interval to find the margin of error and the sample mean. (0.196,0.300) The margin of error is

Use the accompanying Grade Point Averages data to find 80%, 85%, and 99% confidence intervals for the mean GPA Click the icon to view the Grade Point Averages data. www An 80% confidence interval for the mean GPA is (Use ascending order. Round to two decimal places as needed.) Gender Female Female Female Female Male Female Female Female Female Female Female Female Female Male Male Female Male Female Male Female Female Female Female Female Female Female Male Female Female Male Collage Nursing Nursing Arts and Sciences Arts and Sciences Engineering Nursing Nursing Education Arts and Scances Nursing Arts and Sciences Nursing Health Science Business Business Nursing Education Education Engineering Arts and Sciences Health Science Business Health Science Nursing Engineering Education Engineering Education Nursing Engineering GPA 3.20 3.26 3.13 3,61 3.00 3.67 3.36 3.45 3.50 3.20 2.68 3.40 3.76 3.74 3.75 3.48 2.92 3.80 3.51 3.72 3.28 3.26 3.70 3.40 3,17 3.44 3.87 3.29 3.25 3.72

Use the confidence interval to find the estimated margin of error. Then find the sample mean.   A biologist reports a confidence interval of (3.9,5.5) when estimating the mean height​ (in centimeters) of a sample of seedlings.       Question content area bottom Part 1 The estimated margin of error is enter your response here   .

Using the t-table , give the confidence coefficients . a.n=12,95% confidence b.n=15,95% confidence

I need help on my classwork

Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (2.8,4.6) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample mean is