Question 1200502
criticl t-score with 50% confidence interval and 22 degrees of freedom is equal to plus or minus .685805031
here's what it looks like on a graph.
<img src = "http://theo.x10hosting.com/2023/022202.jpg">
note that a two tail 50% confidence interval has two tails that total 50%.
that's 25% tail on the right and 25% tail on the left.