I n'otd wonk if ereht si na iuoneqta orf ,siht utb I asbcllayi dpmupe uot eeyrv inodivis osarcs eth ablte ot get ~%5 no .ravaege
Heer ehty a4:e00r / 0,600 = 705620.0 / ,0650 = 05 40300. / 55,30 = 3.065 000 / ,0055 = .050 2095 / 008,4 = 0205.
ehT ereaagv fo heets s% for lal eth aseyr = S5 o5.%8. htat's cleos oguhne to 5%.
A related discussion (on a question from NBME 21) is here: https://nbmeanswers.com/exam/nbme21/714
The quickest way to do this is to add all the numerator ... = 1500. Then Divide by both year and susceptible population =1500 / (5*6000) = 5%.
dcieeincn = uebrnm of new saec/s nwe sc+sea aouippltno at ki.sr wne =ceass 052. pPoele at ksir thta eyra 5050 nglnc(uiid enw cs.aes In eno npiot ehyt erwe a lapotnupio at )rksi 50/2 50=50 4%9.
Exedclu hte nktaie yra.e Add all het iiotpevs rutelss 02500+5030403++002(+ = 015.0) vediiD 0510 yb het atlot nmrbue fo ntasepti rfmo het rstat of hte nicdnciee dierp,o ryae ,1 so 0060 g--t-&; 5006/050,12=.00 tsih si the veraega ssoarc lla 5 ry.aes rFo annal,u vieidd .052 by het nbmrue fo ,syare 5 -g;-&t 5/.250 = 00.5 -&g-;t 5.%
t'ashT woh I gto t.i
ciendIecn is lyypcitla daecucltla sa a munbre siadeesd per edxopes ptooinalpu rpe tniu ite,m uulslya ayre. For hcea yr,ae dieivd teh plopee d,ofnu by teh eleppo dex.esop uoY arirve at urfgise fr ceha eray ebngi 4%, %5 nad 6,% vareega einbg .%5
:Q Why not tcnuo itekan ayer fro wichh the cieecnnid messe ot be ?%04
A:ns oS th'tsa het ikrct fo eth uo.qestni TI meess to iymlp eht iatekn yrae oasl ash 0400 wne a,csse tbu tsih itns' iiecedcn,n siht is enc!pleavre tWha dnehapep rhee was atht eht nloaippout of 00,010 was tno geibn ensedrec rof DIS.A Tneh you atdsret teh crnnesige rrog.mpa
iyTlypalc ni ayn cerngsien mopr,gar you iwll shseatbli hte anbseeli aceeenvlpr of hte aeisesd by sinttge lal fo eht eleagnr .punootliap uoY idnf 0040 wen ass,ec but etehs erwe tusj tceuteednd sse.ac You ecexuld ethm romf ruyo .mitrngonoi For eth xnte yare, uyo epke a chwta no hte 0060 eft,l of chiwh 400 depvoel IA.SD Yuo lltuaacec iennedcci rof iths eyar sa 6%7. nad cudlxee eesht 400 mrof the enxt ryea nda so .no
ileo1/e1yshes-lsrats1m1erpisslntetar/oucbthat.de:-d1h.0ttpat-c/t0sops/ms/t
ehT tahrc on siht tsie hsswo re/tappeTwr/oaulhe/ba trci)ocrnateee.(gv Tshi qeotsnui kssa i"hliokeldo of inssmgi na is"tooaasnic - iwhch byaslclia saemn what is eth elasf tpiievos r,tae hihcw is eth niintdeoif of Tyla/peaph I .error Qs oituen emts astste ,=5la0pah0. cihwh is 5.%
tBea is ypeT II ,rrore nad uldwo eb %10 l(esaf )e.vaeignt 9%0 lduwo eb erPow )(eb-ta1
I no'dt onwk teh neoatuiq rfo hts,i utb I ddi siht: eTh ums fo ccidnneie pre y/ear eht sum fo breumn eairnmgia ni opianpotul. .. o.S 05,,808/0120 = 05082. ro 52.%
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$279$49So bumren of ceass wtih iosivpte eloyogrs ridugn akeit"n" ptrneersse lrpcveanee and huolds ton be canutdeco for nhew niguactclal ptponoaiul at ki.sr iPtlonopua ta srik = tloTa nlopotipau - nvp.eerelac ignoD t,hat smu up eht nanaul ednnicceis ftel = 400 + 052 + 250 + 300 + 300 = 0105.
lpnigpyA ncinieecd fuoalrm = 01,0-00000514)(00/ = 0.25 rvoe a tlota of 5 .sayer
uAalnn = 5.520/ = .500%
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