A、<p><span style="font-size:14px;font-family:宋体">离散型随机变量</span></p>
B、<p><span style="font-size:14px;font-family:宋体">分布型随机变量</span></p>
C、<p><span style="font-size:14px;font-family:宋体">连续型随机变量</span></p>
D、<p><span style="font-size:14px;font-family:宋体">中断型随机变量</span></p>