You may need to use the appropriate appendix table to answer this question. Given that z is a standard normal random variable, find z for each situation. (Round your answers to two decimal places.) (a) The area to the left of 2 is 0.2743. (b) The area between -z and z is 0.9534. (c) The area between -z and z is 0.2206. (d) The area to the left of z is 0.9951. (e) The area to the right of z is 0.6554