Determine the following standard normal (2) curve areas. (Round your answers to four decimal places.) USE SALT (a) the area under the z curve to the left of 1.74 (b) the area under the z curve to the left of -0.67 (c) the area under the z curve to the right of 1.40 (d) the area under the z curve to the right of -2.84 (e) the area under the z curve between -2.21 and 0.55 (f) the area under the z curve between -2 and 2 (g) the area under the z curve between -4 and 4