Question: Using the t tables, software, or a calculator, estimate
a) the critical value of t for a 95% confidence interval with df = 7.
b) the critical value of t for a 99% confidence interval with df = 102.
c) the P-value for t < 2.19 with 41 degrees of freedom.
d) the P-value for /t/ (lines should be vertical on both sides of the t) > 2.33 with 12 degrees of freedom.
e) estimate the critical value of t for a 90% confidence interval with df = 10.
f) estimate the P-value for t >= 1.717 with 22 degrees of freedom.