3.2总体分布的估计-高中数学培优必练（逻辑、概率、复数、选学）

!"#$ $ 3" #/" ! # # . """ ! ! ! ! " " " " # # # $ &<""%."""#$<""! $%&$ $<""! ! %& " !"#!$!""%"!&#'()# ! $*% $" ! = ! ! '% " !"#$ ! ! () " %$%#&' $ '"' / ()' 3 ((!*)* ++,-./0#, ! 1,$ 3/ ! @( ! "< ! "( ! 3. ! $& ! "@ ! "( ! &. ! 3? ! ?@ ! (< ! "$ ! ?< !"! 23 "< ! "( ! $& ! "@ ! "$ - 456 ! $789: ! ! $! " %$%#&' $ '"' / ()' 3 (#,(!*) *++,-./0#, ! '+0#$ 3/ ! ;-456 ! '< 0$ @( ! ;-456 ! '=0#$ "< ! -456 ! -456 "1,$ # "< ! "( ! $& ! "@ ! "$ ! $' / 0#$ "$! $- =, ! %& " !"&+#!',%&"" ! -%&.(%/0. 12-/034(5'67"( ! 8)/0.("9(5 '67"( ! *+, ! -./0123 !! ! ! '% " %&'()#* ! ! () " >. $ &' # ?"@"AB # ?"@"/ 8 01 % C 8#.D & <" ! ?" ' ) & ?" ! $"" ( "&'E) ! F>. $ &' # &# 2G(H % C82G(H ! IJK#D & ?" ! $"" ( LM3"& 'C8K#D & ?" ! $"" ( LM3"2G#. ! ! $! " K##D & <" ! $"" ( LM34NOK##"$KP$ ) "!"(/)"!"$/ ' 8$"#"!& ! 23K#D & ?" ! $"" ( LM3" 5#4NOK##"$KP$ "!"$/8$"#"!$/ ! 67K# D & ?" ! $"" ( LM34K#D & <" ! $"" ( LM3"$KP$ "!$/ "!& # . < ! 67K#D & ?" ! $"" ( LM3"2G#.O $38 . < #3 ) 0 '! $- !! ! %& " !"#!*)'$*+:; ! -)'$*+:;% ! )' # ). "!,- # <+=(>? # <+=(@ 8 A, ! "! ! ! '% " %&'()#* ! ! () " >.&'E)$ $ C8 " "Q ! %RC8=08" 5#"P ! >.#5# $< S7C8 & $&" ! $/" ( 3"5# ! ! $! " 1TU78 $"8 ) "!""/)"!"$)"!"()")"!"./ ' #$ ! '"#"!".! ' %/D & $(" ! $." '!& $." ! $&" '!& $&" ! $/" ( =03"8" P$ .E(E$! ' %%/D & $&" ! $/" ( 3"8"3-."5#9$ . ! $ - !! ! %& " !"#!*)'$*+:; ! ./BC)'B1" D80B1(E"F1 ! #! ! ! '% " +,* ! ! () " >.3:#"V) ! W#.;%?*XY%X*? "<Z=* ! .3["#Y3[/:#"\]#S7 ! ! $! " *&'^_ ! ()+*,*/K>$ $" ! $( ! (" ! ($ ! (& ! .$ ! .$ ! .( ! .3 ! &. ! &< ! ` $$ 0 ! $3:#$' 3 0 ! S .$ ! $- !! ! %& " !"$*%!(#!%3.("2 ! G3!"() 4-*H-%3.(I. ! $3"" ! ! '% " %&'()#* ! ! () " >.&'K-ab^3c*?d 3" K"&'Ce D ("" 53c*?d 3" K"N4"P. ! FC#f3c* ?d 3" K"N4"5# ! ! $! " !g .""" ?8"D@,#8AB3c*?d 3" K "5#h #!* ) "!""()"!""3)"!"$( ' 8$"8(""#&" ! &" # # ("" .""" ! '##3""! $g .""" ?8"D@,#8AB 3c*?d 3" K"8"5#h 3"" ! $%&$ 3""! ! %& " !"#!)'$*+:; ! $*%/" ! ./"!% 5JKL80(M6 ! 7N89M6BGF1 ! % ! '% " %&'()#*-+,*./0 ! ! () " 94&'^)&'K-ab^/8i901 ! ?" @"/jd&'Ck01ji9_DClS7 !