# Question

a. Find the value of t for the t distribution with a sample size of 21 and area in the left tail equal to .10.

b. Find the value of t for the t distribution with a sample size of 14 and area in the right tail equal to .025.

c. Find the value of t for the t distribution with 45 degrees of freedom and .001 area in the right tail.

d. Find the value of t for the t distribution with 37 degrees of freedom and .005 area in the left tail.

b. Find the value of t for the t distribution with a sample size of 14 and area in the right tail equal to .025.

c. Find the value of t for the t distribution with 45 degrees of freedom and .001 area in the right tail.

d. Find the value of t for the t distribution with 37 degrees of freedom and .005 area in the left tail.

## Answer to relevant Questions

For each of the following, find the area in the appropriate tail of the t distribution. a. t = 2.467 and df = 28 b. t = –1.672 and df = 58 c. t = –2.670 and n = 55 d. t = 2.819 and n = 23 A sample of 11 observations taken from a normally distributed population produced the following data: a. What is the point estimate of µ? b. Make a 95% confidence interval for µ. c. What is the margin of error of estimate ...A random sample of 20 acres gave a mean yield of wheat equal to 41.2 bushels per acre with a standard deviation of 3 bushels. Assuming that the yield of wheat per acre is normally distributed, construct a 90% confidence ...The following data give the speeds (in miles per hour), as measured by radar, of 10 cars traveling on Interstate I-15: Assuming that the speeds of all cars traveling on this highway have a normal distribution, construct a ...Check if the sample size is large enough to use the normal distribution to make a confidence interval for p for each of the following cases. a. n = 50 and p̂ = .25 b. n = 160 and p̂ = .03 c. n = 400 and p̂ = .65 d. n = 75 ...Post your question

0