5．下面是育才小学五（2）班同学向地震灾区捐书情况统计表．
捐2本和3本书的同学共占全班人数的几分之几？
0 129572 129580 129586 129590 129596 129598 129602 129608 129610 129616 129622 129626 129628 129632 129638 129640 129646 129650 129652 129656 129658 129662 129664 129666 129667 129668 129670 129671 129672 129674 129676 129680 129682 129686 129688 129692 129698 129700 129706 129710 129712 129716 129722 129728 129730 129736 129740 129742 129748 129752 129758 129766 199269
| 捐书的本书 | 捐书人数各占全班人数的几分之几？ |
| 2 | $\frac{1}{5}$ |
| 3 | $\frac{2}{3}$ |
| 大于4或等于4 | $\frac{2}{15}$ |