Category: Probability and Statistics

Question Number 35476 by NECx last updated on 19/May/18 $$InamatchbetweenAandB.The$$$$probabilityofAwinningis\frac{4}{11},$$$$theprobabilithofBwinningis\frac{2}{11}.$$$$Whatistheprobabilityifthey$$$$weretodrawthematch?$$ Commented by Rasheed.Sindhi last updated…

Question Number 100017 by bemath last updated on 24/Jun/20 $$\frac{{\mathrm{d}}^2\mathrm{y}}{{\mathrm{dx}}^2}+\mathrm{y}=\sec 3\mathrm{x}$$ Answered by mathmax by abdo last updated on 24/Jun/20 $$\mathrm{y}^{''} \:+\mathrm{y}\:=\frac{\mathrm{1}}{\mathrm{cos}\left(\mathrm{3x}\right)}\:\:\:\:\:\left(\mathrm{he}\right)\:\rightarrow\mathrm{r}^{\mathrm{2}}…

Question Number 99665 by byaw last updated on 22/Jun/20 Commented by byaw last updated on 05/Jul/20 $$$$ Terms of Service Privacy Policy Contact:…

Question Number 164995 by Mathematification last updated on 24/Jan/22 Answered by aleks041103 last updated on 25/Jan/22 $${Let}^{\prime }slabelthetopvertex{V}^{+},thebottom$$$$one-V^{-},andthevertecesonthebase-O.$$$$Notation:$$$${p}\left({n}\mid{A}\rightarrow{B}\right)\:−\:{the}\:{probability}\:{of}\:{arriving}…

Question Number 99230 by Ar Brandon last updated on 19/Jun/20 $$\ast \mathrm{\setminus }\mathcal{I}\mathrm{n}\mathrm{a}\mathrm{certain}\mathrm{country},4\mathrm{people}\mathrm{are}\mathrm{tested}\mathrm{positive}\mathrm{for}\mathrm{the}\mathrm{covid}-19\mathrm{per}\mathrm{hour}.$$$$\mathcal{D}\mathrm{etermine}\mathrm{the}\mathrm{probability}\mathrm{that}\mathrm{in}\mathrm{an}\mathrm{hour};$$$$\mathrm{a}\mathrm{\setminus }\mathrm{Exactly}2\mathrm{people}\mathrm{are}\mathrm{contaminated}$$$$\mathrm{b}\mathrm{\setminus }\mathrm{At}\mathrm{most}\mathrm{one}\mathrm{person}\mathrm{is}\mathrm{contaminated}.$$$$\mathrm{c}\mathrm{\setminus }\mathrm{Between}2\mathrm{and}5\mathrm{people}\mathrm{are}\mathrm{contaminated}.$$ Commented by john santu…