A与B是两个随机事件，下列哪些个事件表示“A与B至少有一个发生”.
A: [img=61x24]18032ce6158c696.png[/img]
B: [img=61x24]18032ce61e6d091.png[/img]
C: [img=115x24]18032ce6269c87b.png[/img]
D: [img=60x22]18032ce62f15c49.png[/img]
E: [img=89x25]18032ce63794ba9.png[/img]
F: [img=147x25]18032ce63fb294d.png[/img]
A: [img=61x24]18032ce6158c696.png[/img]
B: [img=61x24]18032ce61e6d091.png[/img]
C: [img=115x24]18032ce6269c87b.png[/img]
D: [img=60x22]18032ce62f15c49.png[/img]
E: [img=89x25]18032ce63794ba9.png[/img]
F: [img=147x25]18032ce63fb294d.png[/img]
举一反三
- 原电池（-）Pt︱Fe[img=17x22]1803dd54de61136.png[/img](1 mol·L[img=17x22]1803dd54e7299c0.png[/img]),Fe[img=17x22]1803dd54f0030fb.png[/img](1 mol·L[img=17x22]1803dd54fa39c0d.png[/img])‖Ce[img=17x22]1803dd5502f9d6b.png[/img]( mol·L[img=17x22]1803dd550b82a7d.png[/img]) ,Ce[img=17x22]1803dd55130efd2.png[/img]( mol·L[img=17x22]1803dd551af174c.png[/img]) ︱Pt(+)的电池反应是( )。 A: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] B: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] C: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] D: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img]
- A与B是两个随机事件，下列哪些个事件表示“A与B至少有一个发生”. A: [img=61x21]18032ce55ec9ce8.png[/img] B: [img=61x21]18032ce567724ab.png[/img] C: [img=122x21]18032ce56ff4fa6.png[/img] D: [img=61x19]18032ce5798fe02.png[/img] E: [img=89x25]18032ce58156eea.png[/img] F: [img=147x25]18032ce58983f78.png[/img]
- A与B是两个随机事件，下列哪些个事件表示“A与B至少有一个发生”. A: [img=61x21]18032ce685d1c13.png[/img] B: [img=61x21]18032ce68f16e61.png[/img] C: [img=122x21]18032ce6981225b.png[/img] D: [img=61x19]18032ce6a01b969.png[/img] E: [img=89x25]18032ce6a8fee11.png[/img] F: [img=147x25]18032ce6b11e0ed.png[/img]
- 独立重复地投掷一颗均匀的骰子，直到出现6点就停止投掷，设X表示投掷骰子的次数，则X的分布列是______________. A: X123456P1/61/61/61/61/61/6 B: X123456…P1/61/61/61/61/61/6… C: X123…k…P[img=9x43]1803da13460ecf5.png[/img][img=36x43]1803da134eadb99.png[/img][img=57x43]1803da135709664.png[/img]…[img=58x43]1803da135e5a076.png[/img]… D: X123…k…P[img=9x43]1803da13671cd55.png[/img][img=36x43]1803da13703c21c.png[/img][img=57x43]1803da1378489ec.png[/img]…[img=58x43]1803da13822269c.png[/img]…
- 独立重复地投掷一颗均匀的骰子，直到出现6点就停止投掷，设X表示投掷骰子的次数，则X的分布列是______________. A: X123456P1/61/61/61/61/61/6 B: X123456…P1/61/61/61/61/61/6… C: X123…k…P[img=9x43]1803573572a7b80.png[/img][img=36x43]180357357af3976.png[/img][img=57x43]180357358399321.png[/img]…[img=58x43]180357358bf0f84.png[/img]… D: X123…k…P[img=9x43]180357359488348.png[/img][img=36x43]180357359c7d68a.png[/img][img=57x43]18035735a57969a.png[/img]…[img=58x43]18035735ae0e3f4.png[/img]…