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 z is 0.2420. -700 (b) The area between -z and z is 0.9030. (c) The area between -z and z is 0.2282. (d) The area to the left of z is 0.9948. (e) The area to the right of z is 0.6554.