t= .995. Take a look at the student t distribution attached. Screen Shot 2015-03-03 at 18.41.06.png The test you've described is one-tailed, and you're only looking for the t-value that will give an area of 0.005, so you don't need to worry about the degrees of freedom.
Mar 3rd, 2015
Did you know? You can earn $20 for every friend you invite to Studypool!