Given the following pairs of z values, find the area under the normal curve between each pair of z values. Refer to the table in Appendix B.1. (Round the final answers to 4 decimal places.) a. z = -1.05 and z = 0.75 b. z = -2.88 and z = -2.25 c. z = 1.41 and z = 2.71 d. z= -2.36 and z = 1.69