设连续型随机变量的分布函数和密度函数分别为<img src="/lqwvjeImg/ac/ac011b05ca2583106f8539e52438b6c1.png"style="width:41px;height:21px;">、<img src="/lqwvjeImg/7f/7fdbcd505d638668023aa9943f71a1ae.png"style="width:36px;height:21px;">,则下列选项中正确的是___<br>·<img src="/lqwvjeImg/a5/a5fac2448cb770ee1dda7227f1507d42.png"><br>·<img src="/lqwvjeImg/b6/b67d4650ec861fe945932f9a26a934e4.png"><br>·<img src="/lqwvjeImg/6e/6ef3a2cf9cb9fcc826d316c34c5ebc92.png"style="width:118px;height:23px;"><br>·<img src="/lqwvjeImg/25/259c6d2427bac6b34d0bf346fa8b8ef5.png"style="width:117px;height:23px;">