# The formula used to compute a confidence interval for the mean of a normal population when n is small is

## Question:

± (t critical value) s/√n

What is the appropriate t critical value for each of the following confidence levels and sample sizes?

a. 95% confidence, n = 15

b. 99% confidence, n = 20

c. 90% confidence, n = 26

## This problem has been solved!

Do you need an answer to a question different from the above? Ask your question!

## Step by Step Answer:

**Related Book For**

**View Solution**

Create a free account to access the answer

**Cannot find your solution?**

Post a FREE question now and get an answer within minutes.
* Average response time.