solve

Determine the area under the standard normal curve that lies to the left of (a) Z=0.81, (b) Z= - 0.31, (c) Z= -0.08, and (d) Z= 1.55. fe Click the icon to view a table of areas under the normal curve. (a) The area to the left of Z=0.871 is |. (Round to four decimal places as needed.) (b) The area to the left of Z= 0.31 is (Round to four decimal places as needed.) (c) The area to the left of Z= -O0.08is| |. (Round to four decimal places as needed.) (d) The area to the left of Z= - 1.55 is (Round to four decimal places as needed. )