(a) The standard normal is graphed below. Shade the region under the standard normal curve to the left of z= -1.50. 0.3- X 5 ? 02- 0.1- (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 5