i need help with 4 and 5

Column (a) I but, since the normal curve is symmetrical, the areas for negative scores will be exactly the same as areas for positive scores. Column (b) lists the proportion of the total area between the Z score and the mean, Figure A.1 displays areas of this type. Column (c) lists the proportion of the area beyond the Z score, and Figure A.2 displays this type of area. FIGURE A.1 Area Between Mean FIGURE A.2 Area Beyond Z and Z C (a) (b) (c) (a) (b) (C) Area Area Area Area o Between Beyond Between Beyond Z Mean and Z Z Z Mean and Z Z 0.00 0.0000 0.5000 0.21 0.0832 0.4168 0.01 0.0040 0.4960 0.22 0.0871 0.4129 0.02 0.0080 0.4920 0.23 0.0910 0.4090 0.03 0.0120 0.4880 0.24 0.0948 0.4052 0.04 0.0160 0.4840 0.25 0.0987 0.4013 0.05 0.0199 0.4801 0.26 0.1026 0.3974 0.06 0.0239 0.4761 0.27 0.07 0.1064 0.3936 0.0279 0.4721 0.28 0.08 0.1103 0.0319 0.3897 0.4681 0.29 0.09 0.1141 0.0359 0.3859 0.4641 0.30 0.1179 0.10 0.0398 0.3821 0.4602 0.11 0.0438 0.31 0.1217 0.4562 0.3783 0.12 0.0478 0.32 0.4522 0.1255 0.3745 0.13 0.0517 0.33 0.4483 0. 1293 0.3707 0.14 0.0557 0.34 0.4443 0.1331 0.3669 0. 15 0.0596 0.35 0.4404 0.1368 0.3632 0 . 16 0.0636 0.36 0.4364 0.1406 0.37 0.3594 0.17 0.0675 0.4325 0.1443 0.3557 0.18 0.0714 0.38 0.1480 0.19 0.4286 0.3520 0.0753 0.39 0.3483 0.20 0.4247 0.1517 0.0793 0.40 0.4207 0.1554 0.3446 lay not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). es not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require