设函数[img=37x25]1802cf2c73bec2f.png[/img]在[img=51x25]1802cf2c7cfd6c0.png[/img]上连续，[img=186x50]1802cf2c8885de2.png[/img] ，则[img=83x25]1802cf2c919f153.png[/img]时，[img=58x26]1802cf2c9a930a9.png[/img]（ ）.
A: [img=192x50]1802cf2ca550cc8.png[/img]
B: 0
C: [img=192x50]1802cf2cadaa010.png[/img]
D: [img=192x50]1802cf2cb959c07.png[/img]
A: [img=192x50]1802cf2ca550cc8.png[/img]
B: 0
C: [img=192x50]1802cf2cadaa010.png[/img]
D: [img=192x50]1802cf2cb959c07.png[/img]
举一反三
- 设函数[img=37x25]1802cf2c73bec2f.png[/img]在[img=51x25]1802cf2c7cfd6c0.png[/img]上连续，[img=186x50]1802cf2c8885de2.png[/img] ，则[img=83x25]1802cf2c919f153.png[/img]时，[img=58x26]1802cf2c9a930a9.png[/img]（ ）. 未知类型：{'options': ['', '0', '', ''], 'type': 102}
- 1.设随机变量X的密度为[img=186x61]18034ea953ec9dd.png[/img]则常数A=________，概率[img=146x25]18034ea95d30d08.png[/img]__________. A: A=2，P(X>1|X<2)=[img=39x24]18034ea9659b618.png[/img] B: A=-2，P(X>1|X<2)=[img=39x24]18034ea9659b618.png[/img] C: A=2，P(X>1|X<2)=[img=47x44]18034ea9768a8c2.png[/img] D: A=-2，P(X>1|X<2)=[img=47x44]18034ea9768a8c2.png[/img]
- 设随机变量X~N(-2,4), 其密度函数为f(x)，分布函数为F(x). 则以下选项正确的有 A: X/2~N(-1,1) B: 2X+4~N(0,16) C: P(X<0)=P(X>-4) D: [img=221x25]18032ce85042ef8.png[/img] E: [img=275x47]18032ce85c098ed.png[/img] F: (X+2)/2~N(0, 2) G: (X-2)/2~N(2, 1) H: P(X>2)=P(X<2) I: P(X>2)+P(X<-2)=1 J: [img=277x47]18032ce867a7895.png[/img] K: [img=247x43]18032ce87245061.png[/img] L: [img=255x43]18032ce87cde027.png[/img]
- 设函数[img=37x25]1802dc1e72e8cbb.png[/img]在[img=51x25]1802dc1e7b3327a.png[/img]上连续，[img=186x50]1802dc1e858f59c.png[/img] ，则[img=83x25]1802dc1e8dbc9eb.png[/img]时，[img=58x26]1802dc1e973b794.png[/img]（ ）. A: [img=192x50]1802dc1ea14b2d1.png[/img] B: 0 C: [img=192x50]1802dc1ea9c0005.png[/img] D: [img=192x50]1802dc1eb3b338b.png[/img]
- 设函数[img=37x25]1802dc31214941f.png[/img]在[img=51x25]1802dc3129f6990.png[/img]上连续，[img=186x50]1802dc31352b743.png[/img] ，则[img=83x25]1802dc313e15a37.png[/img]时，[img=58x26]1802dc3146519d2.png[/img]（ ）. A: [img=192x50]1802dc315112c3d.png[/img] B: 0 C: [img=192x50]1802dc315d6577c.png[/img] D: [img=192x50]1802dc3167b294b.png[/img]