3.1 事件与概率（学案一）-2020年高中同步教与学数学(人教B版必修3)

书书书 !"# ! $ !! % !!" ! !"#$% !!"!" ! &'() ! " *+ " !! !"#$%&'( ! )*+,-. ! /$01234567 89 " :;<= ! >?@ABCD3E # F<G $! H>IJKLM NOPQ2 # F $ R # < $ 7ST ! )U8VWX ! YZ[\]DG ! ^_D` # < $ S7G ! abHc@ % ^_D` # F $ SG ! adef g;h7ij ! kl\mno ! %3E ! ('pqc<3&r* # ZN $ 7st ! fuvYg &=tw`xyzn7{| ! }~�&������ ! ��34 ��7�� " ����U8V ! � # F<G $ 7IJLBQ� # < $ S ! gT ! v�Z[D7;�JGL ! ��o3< ! \U8V��DG7�8� ! ��=t���7��D� 3JGL !  ¡�¢£¤¥ ! ¦`U8V§k¨© ! ª«7L¬­ ®¯ ! U8V°±²³ "# ´D` & < ' SGµ; & F ' SG ($ =t¶ ·¸¹º "# »¼½¾j7¿À ! ^_N¾ef»%Á ! ÂÃg& Ä)ÅÆ7Ç_»È­®¯ ! �CÉʯ7G;ËÃSÌÍÎ u ! $ ϳ ! =tfËÃÐqÅÑ ( "! >3q4Ò¯ÓÔÕFÖ×Ø_7ÙÚÛf !!!!! ! #! \>!Ü74Ò¯ÝEÞßÜ3ÙÚ ! àEÞß`7Ø_v3 q!Ü ! áâã�äå�3×Ø_|�Ù ! g3æÙÚÛf ! !!!! ! $! �Þßç{ÙÚèfuÖ×é7ê£ë7ìíîÛf !!! !! ! �ÞßØ_èìíØ_Ûfïí7Ø_ ! ,-./ ! &'()012345 !! !"#$ !! ðñIò ! àòóôõB¯ö ! *;%[÷ø ! ùòóôõú ¯ö ! ´ûw}º7üý ( g×ÙÚ;ç{ÙÚµ;ÓÔÙÚ ( !! %&'() !! ) " * ÓÔÙÚ " >3q4Ò¯ÓÔÕFÖ×Ø_7ÙÚ ! ) # * ç{ÙÚ " >!Ü4Ò¯ÝEÞßÜ3ÙÚ ! àEÞß` 7Ø_v3q!Ü ! áâã�äå�3×Ø_|�Ù ! g×ÙÚ Ûfç{ÙÚ ! !! *+,- !! # 5 " $ ! þ÷�¯ÙÚ;ç{ÙÚµ;ÓÔÙÚ " ÙÚ " " >ÿ!" ! " #$7"%Rf ) "%# *+ "&'( % ÙÚ # " Ö[&¾'(7)* ) +,7 *% ÙÚ $ " "# " "' >-F./Ì.7-F[0 % ÙÚ ) " >3q1�R2q34 # ¯ ) 563 *! 78"73 69� $* # % ) % f7873: * ! 67 ! !"#$%&'()*+%& ! ,-'./#%& 012345 ! 6#7018#7901 ! :;<9'*+%& " (:)*+%& ! 89 ! ÙÚ # , ÙÚ $ fç{ÙÚ ! ÙÚ " , ÙÚ ) fÓÔÙ Ú ! :;<= ! *+%&=>?@AB$CD # $ " % EFG2CDA3@HIJK " $ # % LM342NO'PQRS2 ! T9U#$ " $ $ % VW#XYZ[\]%34NO^2#$ ! _EYZ` a ! 94b7\]%c$NO ! # >?@A " $ ;<ïí ! >=>�?N3×@AÕF7ç{ÙÚ " B ! C ï ! í ç{ÙÚ B " D3EFG ! Þß�Ù7Ø_ B # ½3HIJ�KjÆ "' &TJ ! ÞLM� 7EJ0 B $ NOÖP)*"3Q>RSTU`7VW E0 B ) LXÖ&YÒ7Z[~9qZ[7\] & ) ++ * ,-.B ! &'CD3E=F !! !"#$ !! Ö^_`ab3×cd7aeff ,'- ! Ag&d[B­ ae ! h "' &d[Ì3qaeý ( %�×Ø_ ( !! %&'() !! 3&ïíij¯k4Ò " ) " * ïí@�>!Ü7l$¯mn£ë % ) # * ïí7o%Ø_;&,@p7 ! qvr3× % ) $ * àEïís;�ÙgtØ_�73× ! q>3Eïíu AvvA,qgEïí|�Ù�3×Ø_ ! !! *+,- !! # 5 # $ ! ¯wç{áÒ� ! 3Eïí;xËà ! yz{%� Eïí ( ) " * 3¾� ! ½|}~�N�7 . ww� ! ���y`� % ) # * D "' E����7FG ! FG��)% / E�!�N ! 67 ! def3gh@Ai=jk # ! l]m$*+nD " " !"/m$*+nDoJK2Y Z2pqrXs ! tuve3Q./m$nD2CD'wx !