Eventos Independientes y Dependientes - Ejercicios

 

Jvjktds @kmjpjkm`jktjs y Mjpjkm`jktjs

Ib rjgib mj ib huit`pi`cbc`ók d rjgib mji prdmuctd,  pjrh`tj jkcdktrbr ib prdaba`i`mbm mj quj dcurrb ji jvjktd B y ji jvjktd A bi h`shd t`jhpd (prdab (pr daba`i a`i`mb `mbm m cdk cdkeuk euktb) tb).. Jst Jstb b rjg rjgib ib mj mjpjk pjkmj mj mj s` ids jvj jvjktd ktdss sdk mjpjkm`jktjs d `kmjpjkm`jktj `kmjpjkm`jktjs. s.

Jvjktds mjpjkm`jktjs

Mds jvjktds B y A sdk mjpjkm`jktjs, s` ib dcurrjkc`b mj ukd mj jiids

bfjctb ib dcurrjkc`b mji dtrd. _brb jvjktds mjpjkm`jktjs, ib rjgib mj ib huit`pi`cbc`ók jstbaijcj quj5

Jejhpid 25 Zkb cbeb cdkt`jkj 1 cbk`cbs bzuijs y 3 rdebs. S` sj jxtrbjk mds cbk`cbs bi bzbr s`k rjpds`c`ók, ´cuâi js ib prdaba`i`mbm mj quj ibs mds sjbk bzuijs4 Sdiuc`ók5

Mbmd quj ibs cbk`cbs sjrâk jxtrbèmbs mj ib h`shb cbeb, y quj ibs cbk`cbs quj sj jxtrb`gbk, kd sjrâk mjvujitbs b ib cbeb (kd lby rjpds`c`ók), jktdkcjs, sj trbtb mj jvjktds mjpjkm`jktjs. 

Jvjktd B5 datjkjr ukb cbk`cb bzui jk ib pr`hjrb jxtrbcc`ók. jxtrbcc`ók.

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Jvjktd A5 datjkjr ukb cbk`cb bzui jk ib sjgukmb jxtrbcc`ók. jxtrbcc`ók.

_dr ib rjgib mj ib huit`pi`cbc`ók, sbajhds quj5

Jvjktds `kmjpjkm`jktjs Mds jvjktds B y A sdk `kmjpjkm`jktjs,  s` ib dcurrjkc`b mj ukd mj jiids kd

bfjctb ib dcurrjkc`b mji dtrd, js mjc`r, cubkmd ids jvjktds B y A kd jstâk

 

rjibc`dkbmds. _brb jvjktds `kmjpjkm`jktjs, ib rjgib mj ib huit`pi`cbc`ók

jstbaijcj quj5

Jstd sj mjaj, b quj jk ids jvjktds `kmjpjkm`jktjs, ib dcurrjkc`b mj uk jvjktd, kd bfjctb b ib dcurrjkc`b mji dtrd5

Jejhpid 15 Jk uk cdijg`d, ib prdaba`i`mbm mj quj uk biuhkd sjijcc`dkbmd bi bzbr lbaij `kgiàs js mj ?,1?> h`jktrbs quj ib prdaba`i`mbm mj quj uk biuhkd eujguj fõtadi js mj ?, _ (A) 8 ?,:?> y bmjhâs, _ (B∠A) 8 ?,=?> mjtjrh`kbr s` sdk jvjktds mjpjkm`jktjs d `kmjpjkm`jktjs. Sdiuc`ók5

Jk ids jvjktds `kmjpjkm`jktjs, sj cuhpij quj5

Jk jstj cbsd5 

_(B∠A) 8 ?,=?.

 

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_(B) × _(A) 8 ?,7? × ?,:? 8 ?,3:.

_dmjhds vjr quj ?,=? js m`fjrjktj mj ?,3:> jktdkcjs5

_dmjhds cdkciu`r quj kd sdk jvjktds `kmjpjkm`jktjs, js mjc`r, sdk jvjktds mjpjkm`jktjs.

Jejhpid =5 Zk s`stjhb cdkstb mj = cdhpdkjktjs cdhd sj `iustrb jk ib f`gurb.

]dmd ji s`s ]dm `stj tjh hb fu fukc kc`d `dkb kbrâ râ ji sua uass`s `stj tjh hb 22-1 1 fuk ukcc`d `dkb kb d s` ji suas`stjhb 3-= fukc`dkb (pdrquj ids mds suas`stjhbs jstâk cdkjctbmds jk pbrbijid). Cdhd ids mds cdhpdkjktjs mj cbmb suas`stjhb jstâk cdkj cd kjct ctbm bmds ds jk sj sjr` r`j, j, uk su suas as`s `stj tjhb hb fu fukc kc`d `dkb kbrâ râ só sóid id s` bh bhad adss cdhpdkjkt cdhpdk jktjs js mj cbm cbmb b sua suas`s s`stjh tjhb b fuk fukc`d c`dkbk kbk.. S` ids cd cdhpd hpdkjk kjktjs tjs fukc`dkbk d fbiibk mj hdmd `kmjpjkm`jktj ukd mj dtrd y s` cbmb ukd fukc`dkb cdk prdaba`i`mbm mj ?,