Answer:
We are given the t distribution with 16 degrees of freedom.
We have to find the area a. to the right of 2.120
Answer: We can use excel to find the area to the right of 2.120. The excel function is:
=TDIST(2.120,16,1) = 0.025
Therefore, the area to the right of 2.120 is 0.025
b. to the left of 1.337.
Answer: We can use excel to find the area to the left of 1.337. The excel function is:
=1 - TDIST(1.337,16,1) = 0.900
Therefore, the area to the left of 1.337 is 0.900