Find the value of t for a t-distribution with 11 degrees of freedom such that the area to the left of −t plus the area to the right of t equals 0.20. Round your answer to three decimal places, if necessary.

A random sample from a normal population has:n = 8, X-bar = 16, and s = 3. Find the 95% PI for asingle new value from the population.

Find the T value such that the area in the right tail is .15 with 8° of freedom (Round to 3 decimal places)

Find the Z-score if X=25, μ-13, o=1.6 Write the Z-score rounded to 2 decimal places. M |||

Find the value of t for a t-distribution with 15 degrees of freedom such that the area to the left of t equals 0.05. Round your answer to three decimal places, if necessary.

Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.10 with 20 degrees of freedom. (Round to three decimal places as needed.)

Find the value of t for the t distribution for the following. Area in the right tail = 0.05 and df =12 Round your answer to 3 decimal places. T=

Fill in the rest of the joint distribution so that X and Y are independent. There are two possible answers: Y 0 1 X=0 1 ? 2/9 2/9

Find the value of t for the t distribution with a sample size of 30 and area in the right tail equal to 0.025 . Round your answer to 3 decimal places.