(a) The standard normal curve is graphed below. Shade the region under the standard normal curve to the left of z= 1.50. 0.4- 0.3- X 0.2- 0.1- -2 3 Part 2 of 2 (b) Use this table or the ALEKS calculator to find the area under the standard normal curve to the left of z- 1.50. Give your answer to four decimal places (for example, 0.1234). X