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Retired NBME 21 Answers

nbme21/Block 3/Question#21 (reveal difficulty score)
A screening program is instituted for ...
10% 🔍 / 📺 / 🌳 / 📖
tags: biostats

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 +20  upvote downvote
submitted by ∗drdoom(1206)
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020,5 utdnstes ... but uyo nfdi uto dginru yuor nitalii sncere that 500 earydla eahv eth es.saeid So, rsokuttie eshto epoe.lp thTa alseve 002,0 ensdustt hwo dont’ aevh the a.edsies

reOv hte rcoues of 1 rey,a uoy vodscire 002 essnttdu oeepdvedl het ifnenito.c T:ush

002 ewn escsa / ,0200 poelpe how i’dtnd aevh het desiesa newh oyu drtesta uory tyusd = 10 npcreet

ryk,icT yckitr BNEM ...

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sympathetikey  hA, I ese. aknhT y!ou +
niboonsh  mI dma at who lepmis stih ieotqsun lclyutaa is +7
sahusema  nIencdiec is daueesmr morf ehsot TA I.RKS Peeopl tihw teh desaesi ear ton odcindeers ot eb at ikrs. So 0520 - 050 = 0002 oelepp r-iatks. fO otesh ,2000 tiwhin one ryea 002 olpveed eht sisee.da oS 0/002002 of eth asrit-k pionpuoalt edvpleo teh .dsieeas 2000/20 = 01% = dinneceic +3
daddyusmle  ckuf mi eradretd +2
skonys  sutM eb adrilFo eStat .i.sUnity.ve.r +
l0ud_minority  tahW if htey otg chdaailmy gnaia how ouwld shti ceaghn eht sreb?unm +



 +10  upvote downvote
submitted by ∗drdoom(1206)
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t’Don freogt htta inccideen si eht bremun fo wne ceass ichwh ermeeg in an ufcntaeedf iooppaunlt. diecnnIec si itngry to teg at hte esnqtoiu &-t;g In“ a vnieg ey,ar owh namy ewn epploe eoedvpl hits ?”esseida

In thore ,rswod yuo aocntn ontuc oepple who aaedylr aevh het aedssei. You veha to ecxueld ohest eopelp omrf your lcoctaalnui. ouY atnw ot wno,k gmnoa all het loepep otu heetr ohw OD NOT have eht ai,esdes hwo aymn meist itsh reya asw someeno (nw)ley dgnids?eao

daiS fidltenyefr tl,sil uoy ’ondt watn ot nt-e”cblod“uuo eelpop woh evedpdelo eht seseadi feobre oury ut.yds sA na iotmeop,iglieds ttah udlwo srewc up yoru esens fo ohw fenctveii or sbmraieissltn a aeidsse .si uYo wtna to ,nkow “fmor meti1 to emit2 ohw yman new secsa eeg?dr”me

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questioneverything  uoY doulw ntuoc hte aottl irsk oolp. hmyCiadal is not a cionrch esaedis os yuo luwod arett ehost 050 pleoep nad eyth owdul urrtne to the ikrs p.olo +2
drdoom  Btu uyo udlow rftsi have to rtienemde atth etyh EELRADC the oci.ninetf haWt if ouy veag mhet tx nad tenh ethy eomc cbak adn sa,y dco" i tog eht halyiam"cd -- is hsit a wen cesa or did eth tx ?ilfa ue'rYo susagmin it ladecer utb aeymb it '.niddt aTsht' hyw yuo tnwa ot DCLEXUE mrof teh sartt neaoyn owh imgth alaryed ehav daiesse of nietsrt.e +7



 +3  upvote downvote
submitted by questioneverything(5)
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Ok I gte htta if 500 eralyda eavh het eaedsis ehtn eth riks opol is drepodp to 2000 tudesnst tbu hte onsiuqte yflecapsciil assy atht eth ttes si edno a yare ta.e.lrf.i 005 leeopp hda dmha,cayil uyo owdul etart .emht uYo otnd' eomcbe muinem ot dayahlicm ftare ifoiennct os tyeh uldwo og kabc onit teh ksir ,olop ainegmn the polo dwoul trenur ot 205.0 The sreanw lhudos be 8,% ihst wsa a bad iuonets.q

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thepacksurvives  ,eYha ihts wsa ym ie.ssu I gto ti nowrg ubeseca fo hs-i-t ilstl d'tno nnuarddset het ilcog bc you can teg ayamcdlih luelpmit tmeis +8
hungrybox  KUFC eoy'ur hgri.t nDma I dtn'id vene knith uboat .ttah 'hsTta finukgc bmd.u I suegs thsi si yhw odybno gtes petfcre socres no iths maxe lol. cneO uoy get asrmt u,nhego eht roersr in eth sitsnquoe atstr trgpnpii uoy pu. yLcuk ofr me Im' taysgilehr eihdbn hatt ategs olma +11
usmile1  to aekm ti veen eomr ploory eir,wtnt ti ssay tyeh rea ndigo a irneescgn mprarog orf SIRFT YAER oenwm eglcloe n.sdusett oS eon ayre ,rleat rae yteh ofglnlwoi tsih smae porug fo s,seudttn or lwoud yhet eb gneiercsn eht nmiogcin tsfri ey?ras +6
dashou19  I khnit het mase ta irstf, utb farte a osendc ,eadr eth tosuineq stem dsia t"iiddnoaa"l 020 dnu,stset whihc naesm teh firts 005 tsnesdut t'nod ctn.uo +
santal  yxg@onbhur Yuo ear em. +2
neovanilla  lmie@s1u I saw kngitihn the extca same tg...hni +1
happyhib_  I erega iths is a rhtsa qetsu;oni I wsa iekl llwe fi tish is enod yrayel for ewn rmfanseh het ownloflig erya uwodl be fo hte nwe ssacl t(bu eth wrod ildaadtoin dmae em go ingsata h.)sti oslA yuo odcul suseam ttha tyhe rwee adtrtee adn no nolegr heva eht i.aesds..e I dtno lkei it ysehtoln btu wonk rfo iedneincc hety nawt uyo ot not liudnce hotse twhi deissea so i ujts twne whti gaodm sustneioq no eidcnneic to teg ot 1%0 +



 +2  upvote downvote
submitted by ∗drdoom(1206)
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oAls ceinorsd tsih tearg iercnidstop mfro teh Is’NH eSHM :edasatab

NDICEINEC: ehT rnubme of new secas fo a eingv aisedse uigdnr a enivg oeprid in a iedfciesp unoilapp.to tI sola is used orf eht trea at whhic nwe etnsve crouc ni a fineedd .pitnuaoolp It is rtfideaiedtfen orfm REECNLPAVE, whhic fsreer ot all csea,s new or ,odl in hte opoltipuna at a envig .mtie

oe.rr5n:4hds/=0i//hpm/u9lvDg9icsb..mthto?ui1en

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questioneverything  heT avelcnerpe fo hycilamda in sith uogpr wuldo eb 0. It is ton a ocnihrc eeadsi.s +



 +0  upvote downvote
submitted by ∗usmle11a(102)
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!g!usy

eht qsunteio edston sya atth teh 500 otg ,ucrde os ti lwil eb 2000 owh aer at sk.ri

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