Use the t tables, software, or a calculator to estimate the values asked for in parts (a) and (b) below.
a) What is the P-value for t ≥ 1.85 with 9 degrees of freedom? ___ (Round to three decimal places as needed.)
b) What is the P-value for ?t?(absolute value of t) > 1.54 with 25 degrees of freedom? ___ Round to three decimal places as needed.)