设随机变量<img src="/lqwvjeImg/6f/6f187dc7103766cde28289eaf52a92cc.png"style="width:19px;height:17px;">的密度函数为<img src="/lqwvjeImg/e2/e2827bc26ccf9e46ff2871f68a1acd39.png"style="width:43px;height:27px;">,且<img src="/lqwvjeImg/fe/fe129a4970defda84630897037f2ecca.png"style="width:113px;height:27px;">是<img src="/lqwvjeImg/6f/6f187dc7103766cde28289eaf52a92cc.png"style="width:19px;height:17px;">的分布函数,则对任意实数<img src="/lqwvjeImg/1d/1dacec2b401a0135ff8a7d27ddb251ad.png"style="width:13px;height:15px;">有( )。<br>·<img src="/lqwvjeImg/6c/6c79619fa6a56a7fb763355171bc87b2.png"style="width:178px;height:43px;"><br>·<img src="/lqwvjeImg/16/16aad9a4481c350890e808c4e94df165.png"style="width:183px;height:53px;"><br>·<img src="/lqwvjeImg/b9/b9aa5887a562ce59c08c3b276495451f.png"style="width:117px;height:27px;"><br>·<img src="/lqwvjeImg/b8/b801c442bfd32aa8f1a8894d94ff638f.png"style="width:153px;height:27px;">