Referring to the standard normal table (Table A, Appendix C), find the probability that a randomly selected z score will be

a. Below -1.96

b. Above 2.58

c. Between -2.58 and 2.58

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Table A PROPORTIONS (OF AREA) UNDER THE STANDA RD NORMAL CURVE FOR VALUES OF z 0.56 O57 2123 113 L13 2190 1.14 2224 2257 115 1.16 2291 117 120 2380 0.09 2422 121 3869 1112 1093 012 014 0.15 0596 0.71 072 1.27 128 .10 0675 0714 0.19 0753 0951 0790 0832 0871 0910 0945 020 021 022 0901 4090 4052 023 0.24 025 4013 0.26 027 1026 3974 3936 028 029 3850 3821 3051 3078 1949 1922 1894 378 3745 3707 366 3159 0.01 092 090 3186 3212 1,47 1.48 0.95 0.96 097 040 0.41 042 4380 043 0.44 4406 0.45 0.46 174 1.57 1772 1.58 4429 0.47 0.48 0.49 1.59 4441 1844 .1879 1.60 161 4452 0.50 162 4474 051 052 053 0.54 1.07 1.63 1.08 1.54 4495 109 .1379 1.10 .1357 4515 055 1.11 .1335 1.67 4525 -Z B' A' B' A' B' C' 客85888 Table A (Continued) PROPORTIONS (OF AREA) UNDER THE STANDARD NORMAL CURVE FOR VALUES OF z A535 4545 0465 0455 0446 0436 0427 .0129 0122 019 4554 0116 0113 171 172 4573 1.73 1.74 175 1.76 4582 4591 4599 4604 0418 0110 0107 0104 0401 0102 1.77 4616 0334 1 TA 178 0019 .0018 0375 0094 0091 1.80 1.81 4641 4649 0018 0017 0016 .0087 1.82 1,83 4656 4914 0016 1.69 1.87 4925 0014 0301 0294 4927 4929 4931 .0013 .0013 0013 0012 274 4334 .0012 4938 4990 0244 4945 4990 4990 0239 0233 311 312 4991 4991 4992 0228 0222 3.13 0217 3.14 259 2.60 261 262 263 3.15 3.16 317 4992 4992 4992 4993 3.18 3.19 4812 4817 4821 4993 4994 A994 A994 0170 0166 DI63 499 4995 4996 271 2.72 4997 4997 A998 0154 4850 0150 273 2.18 4854 4857 4861 ABG4 A868 274 0143 2.20 221 2.22 275 276 2.77 2.78 0139 0136 0132 4999 499的 223 A871 0129 2.79 49997 C' B' C' 22222 NNei iiie