flpn earvreHe B Sopuyne (18) BeJrr.rquHbr ! 
"^rosSSHqHeHra Baplartul 6eepasuepnoro psla:
Ec.na qacJro'qreHoB pffAa n(30, ro
cfl no Qoprray,rre:
n
I tr-tY'
1-r'
xoaQSH r{r4 eHr EapHar\HH
I( no.rryuarcr anaqeHue
(2r)
onpeAeJrf er-
ruo- \22)
B rupaxeHHflx (19) z (21) suarraeHareJrb n saMeHflror r{a n - | noroMy,rITo npa Koporl{llx pflAax bpe4Hnn apzQmeruqecKafl BeJrHrrHHa, Heo6xo4s-Mafl npu HcnoJlbsoBatr4u Qopnay.n (19) a (22), nuuHcJrflercfl c ueHguefiTO-rIHOCTbr.o. [na yMeHbrxeHun outu6xu, npoucxoAnulefi BcJreAcrBr4e pa3-
ill4rrllr HcrHHHoro H BbIqHcJreHHoro 3HaqeHI4H x, n ueolxoAlzMa yKagaHHafl
3AMEHA 3HAMCHATCJIfl.
Tpemefi xapaKrepacrurot craracruqecKoro pnfta flBJrflercfl xosQ0u-queHT acHMMerpHLr prka Cr. Pnp, Ha3blBaercfl cHMMerpHrrHbIM, ecJIH noJlo-
xHTeJIbHbIe H OTpI{qareJIbHbIe orK.rroHeHr,rfl rl.rreHoB pflAa oT cpeAHero apus-
MerHqecKoro efo 3HarIeHI4fl rroBTopflorcfl oAHHaKoBO rracTo. Xapaxtepa-
crnxofi acnMMerpr{riHocrr4 pflAa cnyxzr xoeQ0aqraeHr BcuMnaerpnra. dn"pa3MepHoro pflAa roeQQuqr,reHr acnMMerpr.ra
) ('r -l)g
(- - 1
no!,
Ann 6espasuepHoro pnla
4
) t,r-t;t
cr:Lnr,
$ 2. flon trrwe o Beporrrnocrrr
(28)
(24)
Dm
I --
n (25)
I^r,"rry:1, ry:rorcn AaHHbre no cpeAHeroAoBbrM pacxo{aM raxofi-ro peKHga 100 ner. B reqeHue 30 "rrer pacxoAbr 6unu or 100 rc 7A urlcete , B Teqegue
l4
50 .rrer - or 70 ro 40 us/cerc u 20 ner - or 40 4o I0 uslcerc, TorAa Bepoflr-Hocrb t?Io'tlro pacxoA BoAbI AorIXeH HMerb 3HaqeHHe or 100 rc ZO of,tliin,
paBHa ffi:0,3; BepoflTHocrb rroflB/reHufl pacxoAoB o"r T0 rc 40 trs/cerc -
60 AF
ffi-0,5 14 Alrn pacxoAoB B rrpeAe/rax or 40 lo l0 ailcerc --4.:ttoo-J,2'flpe4nonolKr4M Tenepb,-qro B aroM rO0-ner'eM pflAy Bce pacxoAbr HMelor3HarleHue or 40 Ao l0 u,lcerc. Tor4a BepoflTHocrb HacrynJreHgfl raKoro
pacxoAa 6yger +#:1; ec.nu )Ke B pflAy raKkrepacxoAbr BoBce orcyrcrByor,
ro BepoflrHocrb noflB"rreHa fl Hx paBHa fr:0.
Taxuna o6pasov, BepoflTHocrb KoJre6nercn B npeAe/rax or 0 ao l. Ec.nnBepoflTHoctl co6urnn paB1a HyJIIo, oHo coBep[reHHo HeBo3Mo]KHo, a ecJrri
]HTbCfl BMeCTe, IIa3bIBatoTc, HecoBMe-
floflBJreHHfl KaX{AOTO H3 HrIX He HAXO,j
rorB,[eHr,rfl Apyr.HX co6tnuli.
PaccuorpaM ocHoBu'e 4eficrBkrfl HaA BepoflTHocrrrMr4.
TeopeMa cJrox(eHr4 fl Be p oqrHocrefi roBopr.rr, rrroBepoflTHoCTb tIOfBJIeHHfl OAHO|O I{3 HecoBMeCTHMbrx co6rrrari (coilsttun Aunu codsrtua B),6es yxasaHr4r Kaxofo HMeHHO, paBHa cyMMenepoarHocrefirrorB"rreHHfl r(alKAoro rz3 9THX CO6Urnft n or4enrHocrl4i
P(A+B): P(A)+P(B). (26)
.B Haruen rpr,Mepe^BepoflTHoc-Tb rroflB/reHafl pacxoAa nepnofi HJrH BTo-pofi rpynnbt paBFIa: 0,3*0,610rs1 ,u.por*o.* HacrynJreHzfl pacxoAanropofi npynrbr HrrH Tp..ernefi: 0,b* 0,2^:0,2; pepoflTgocrb HacrynJreHr.rflpacxoAa nepnofi, nropofi HJ;H rperreli rpynnl, O,d+O,S+O"Z:f .Taxav o6paeou, las reoperrnrr c,tloxeHHfl BepoflTHOCrefi 
'sltteKaer, 
qroecJIH HecoBMecrHI\'IbIe co6ltrus eAI-'IHcrBeHHo Bo3Mox(HbI, To cyMMa Hx Bepo-sruocrefi paBHa eArrHrzqe.
T e o p e M a y M H o )K e H H-, BepoflrHocrefi r"nacar, rrro BepoffT-HOCTb COBMeCTTJO.O HacrywreH'fl o60ux co6urwfr A ! B npw nx"uru"r."r*crI'I paBl{a npoHsBeAeHAIO BepOflTrJOCrZ co6urHfl A Ha BepoflTHOCTb co6rr_rrr B:
P (AB): P (A).P (B)" (271
roflTrrocTb HacTyl]fieHH, BHaga/re paC-
ri n cooreercrBaa c Bbrpax{err"eno 1ZZ;{acTyrJreHHr noApsA AByx pacxoAoB
A.
{yx(Ho 3HaTb, KaKOBa BeposTHOCTb no_I co6urue A npoueorrrJro. Taxan Bepo-
t5