Question Number 213428 by Mingma last updated on 05/Nov/24 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 212926 by efronzo1 last updated on 27/Oct/24 $$\:\mathrm{find}\:\mathrm{integers}\:\mathrm{x},\mathrm{y}\:\mathrm{such}\:\mathrm{that}\: \\ $$$$\:\:\:\frac{\mathrm{x}}{\mathrm{x}−\mathrm{3}}\:−\frac{\mathrm{4}}{\mathrm{y}^{\mathrm{2}} −\mathrm{45}}\:=\:\frac{\mathrm{1}}{\mathrm{100}} \\ $$ Answered by Frix last updated on 27/Oct/24 $$\Leftrightarrow \\ $$$${x}=\frac{\mathrm{3}\left({y}^{\mathrm{2}}…
Question Number 212918 by MrGaster last updated on 26/Oct/24 $$\mathrm{The}\:\mathrm{expected}\:\mathrm{number}\:\mathrm{of}\:\mathrm{values}\:\mathrm{drawn}\: \\ $$$$\mathrm{fromthe}\:\mathrm{interval}\left[\:\mathrm{0}\:,\mathrm{1}\right]\:\mathrm{at}\:\mathrm{random}\:\mathrm{if}\:\mathrm{the}\:\mathrm{sum}\: \\ $$$$\mathrm{ofthe}\:\mathrm{values}\:\mathrm{drawn}\:\mathrm{so}\:\mathrm{far}\:\mathrm{is}\:\mathrm{less}\:\mathrm{than}\:\mathrm{1},\:\mathrm{is}\:\mathrm{too} \\ $$$$\mathrm{cntinue}\:\mathrm{drawing}\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{expectede} \\ $$$$\mathrm{numbr}\:\mathrm{of}\:\mathrm{draws} \\ $$ Terms of Service Privacy Policy…
Question Number 210832 by BaliramKumar last updated on 19/Aug/24 $$ \\ $$If the probability of A solving a question is 1/2 and the probability of…
Question Number 210663 by Erico last updated on 15/Aug/24 $$\mathrm{Calcul} \\ $$$$\underset{\:\mathrm{1}} {\int}^{\:+\infty} \left(\frac{\mathrm{lnt}}{\mathrm{t}−\mathrm{1}}\right)^{\mathrm{2}} \mathrm{dt}=??? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 209732 by MM42 last updated on 19/Jul/24 $$\left.{Q}\right)\:{The}\:{collection}\:{A}=\left\{\mathrm{12},\mathrm{13},\mathrm{15},\mathrm{18},\mathrm{23},\mathrm{24},\mathrm{25},\mathrm{26}\right\}\&\:{B}\subseteq{A} \\ $$$${if}\:\:{m},{M}\:\in{B}\:\:;\:{m}={min}\:\&\:{M}\:={max}\:\&\:\:{nm}=\mathrm{10}{k} \\ $$$${which}\:{number}\:{of}\:\:{B}\:: \\ $$$$\left.\mathrm{1}\left.\right)\left.\mathrm{5}\left.\mathrm{9}\:\:\:\:\:\:\:\mathrm{2}\right)\mathrm{60}\:\:\:\:\:\:\:\mathrm{3}\right)\mathrm{61}\:\:\:\:\:\:\mathrm{4}\right)\mathrm{62} \\ $$$$ \\ $$ Answered by mr W last…
Question Number 209510 by mr W last updated on 12/Jul/24 $${three}\:{points}\:{are}\:{randomly}\:{selected} \\ $$$${on}\:{a}\:{circle}\:{to}\:{form}\:{a}\:{triangle}.\: \\ $$$$\left.\mathrm{1}\right)\:{find}\:{the}\:{probability}\:{that}\:{the}\:{center} \\ $$$${of}\:{the}\:{circle}\:{lies}\:{inside}\:{the}\:{triangle}. \\ $$$$\left.\mathrm{2}\right)\:{find}\:{the}\:{probability}\:{that}\:{the}\: \\ $$$${triangle}\:{is}\:{an}\:{acute}\:{triangle}. \\ $$ Terms of…
Question Number 209424 by Tawa11 last updated on 09/Jul/24 Commented by Tawa11 last updated on 09/Jul/24 $$\mathrm{In}\:\mathrm{this}\:\mathrm{kind}\:\mathrm{of}\:\mathrm{probability},\:\mathrm{is}\:\mathrm{the}\:\mathrm{formular}. \\ $$$$\mathrm{p}\left(\mathrm{x}\:=\:\mathrm{r}\right)\:\:=\:\overset{\mathrm{n}} {\:}\mathrm{C}_{\mathrm{r}} \:\mathrm{p}^{\mathrm{r}} \:\mathrm{q}^{\mathrm{n}\:−\:\mathrm{r}} \\ $$$$\mathrm{or} \\…
Question Number 209031 by Spillover last updated on 30/Jun/24 Answered by Spillover last updated on 07/Jul/24 $${f}\left({x}\right)=\begin{cases}{\frac{\mathrm{1}}{{n}}\:\:\:\:{x}=\mathrm{1},\mathrm{2},\mathrm{3},…..=\frac{\mathrm{1}}{{n}}\left[{e}^{{t}} +{e}^{\mathrm{2}{t}} +{e}^{\mathrm{3}{t}} +……..\right]}\\{\mathrm{0}\:\:{else}\:{where}}\end{cases} \\ $$$$\left({a}\right)\:{moment}\:{generating}\:{function} \\ $$$${M}_{{x}} \left({t}\right)={E}\left({e}^{{tx}}…
Question Number 208812 by Adeyemi889 last updated on 23/Jun/24 Answered by mr W last updated on 23/Jun/24 $$\left({a}\right) \\ $$$${p}=\frac{{C}_{\mathrm{2}} ^{\mathrm{4}} +{C}_{\mathrm{2}} ^{\mathrm{12}} +{C}_{\mathrm{2}} ^{\mathrm{8}}…