Question Number 117754 by bemath last updated on 13/Oct/20 Commented by bemath last updated on 13/Oct/20 $$\mathrm{thank}\:\mathrm{you}\:\mathrm{both} \\ $$ Answered by bobhans last updated on…
Question Number 52031 by Necxx last updated on 02/Jan/19 Commented by Necxx last updated on 02/Jan/19 $$\mathrm{3}\:{and}\:\mathrm{4}\:{please}.\:{Thanks}\:{in}\:{advance} \\ $$ Answered by afachri last updated on…
Question Number 117531 by bemath last updated on 12/Oct/20 $$\mathrm{The}\:\mathrm{test}\:\mathrm{result}\:\mathrm{of}\:\mathrm{the}\:\mathrm{100}\:\mathrm{job}\:\mathrm{applicants} \\ $$$$\mathrm{are}\:\mathrm{given}\:\mathrm{in}\:\mathrm{the}\:\mathrm{table} \\ $$$$\begin{vmatrix}{\mathrm{score}\:\:\:\mathrm{53}\:\:\:\mathrm{61}\:\:\:\:\mathrm{72}\:\:\:\:\mathrm{85}\:\:\:\:\mathrm{94}}\\{\:\:\:\:\mathrm{F}\:\:\:\:\:\:\mathrm{12}\:\:\:\mathrm{22}\:\:\:\:\mathrm{25}\:\:\:\:\mathrm{32}\:\:\:\:\:\:\mathrm{9}}\end{vmatrix} \\ $$$$\mathrm{If}\:\mathrm{45\%}\:\mathrm{of}\:\mathrm{applicants}\:\mathrm{are}\:\mathrm{accepted},\:\mathrm{what} \\ $$$$\mathrm{is}\:\mathrm{the}\:\mathrm{score}\:\mathrm{of}\:\mathrm{a}\:\mathrm{person}\:\mathrm{to}\:\mathrm{be}\:\mathrm{accepted}? \\ $$ Commented by TANMAY PANACEA last…
Question Number 182952 by mr W last updated on 17/Dec/22 $${what}\:{is}\:{the}\:{probability}\:{that}\:{at}\:{least} \\ $$$${two}\:{from}\:\mathrm{23}\:{people}\:{have}\:{birthday}\:{at} \\ $$$${the}\:{same}\:{day}? \\ $$$$ \\ $$$$\left({an}\:{unsolved}\:{old}\:{question}\right) \\ $$ Answered by aleks041103 last…
Question Number 117339 by john santu last updated on 11/Oct/20 $${a}\:{coin}\:{tossed}\:\mathrm{8}\:{times}.\:{Probability} \\ $$$${of}\:{appearing}\:{head}\:{at}\:{least}\:\mathrm{3}\:{times}\:{is} \\ $$$$\_\_ \\ $$ Answered by bemath last updated on 11/Oct/20 $$\mathrm{by}\:\mathrm{Binomial}\:\mathrm{distribution}\:…
Question Number 182620 by cortano1 last updated on 12/Dec/22 Answered by Acem last updated on 12/Dec/22 $$\:{P}\:\left(\mathrm{1}{st}\:{is}\:{white},\:{B}_{{A}} \right)=\:\frac{\frac{\mathrm{3}}{\mathrm{5}}\:×\:\frac{\mathrm{3}}{\mathrm{5}}}{\frac{\mathrm{3}}{\mathrm{5}}\:×\:\frac{\mathrm{3}}{\mathrm{5}}\:+\:\frac{\mathrm{3}}{\mathrm{50}}\:+\:\frac{\mathrm{3}}{\mathrm{100}}\:+\:\frac{\mathrm{1}}{\mathrm{100}}}\:=\:\frac{\mathrm{18}}{\mathrm{23}} \\ $$ Terms of Service Privacy Policy…
Question Number 116983 by Olaf last updated on 08/Oct/20 $$\mathrm{Luigi},\:\mathrm{an}\:\mathrm{Italian}\:\mathrm{cook},\:\mathrm{drops}\:\mathrm{a}\:\mathrm{spaghetti} \\ $$$$\mathrm{which}\:\mathrm{breaks}\:\mathrm{into}\:\mathrm{three}\:\mathrm{pieces}. \\ $$$$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{probability}\:\mathrm{of}\:\mathrm{making}\:\mathrm{a} \\ $$$$\mathrm{triangle}\:\mathrm{with}\:\mathrm{the}\:\mathrm{three}\:\mathrm{pieces}\:? \\ $$ Commented by mr W last updated on…
Question Number 182429 by mr W last updated on 09/Dec/22 Commented by mr W last updated on 09/Dec/22 $${two}\:{circles}\:{with}\:{radius}\:{r}\:{have}\:{a} \\ $$$${distance}\:{of}\:\mathrm{3}{r}\:{from}\:{center}\:{to}\:{center}. \\ $$$${two}\:{points}\:{are}\:{randomly}\:{selected}\: \\ $$$${inside}\:{the}\:{circles}.…
Question Number 182360 by Rasheed.Sindhi last updated on 08/Dec/22 $$\mathrm{In}\:\mathrm{equation}\:\mathrm{ax}^{\mathrm{2}} +\mathrm{bx}+\mathrm{c}=\mathrm{0},\:\mathrm{a},\mathrm{b},\mathrm{c}\:\mathrm{are} \\ $$$$\mathrm{randomly}\:\mathrm{selected}\:\mathrm{from}\:\mathrm{integers}; \\ $$$$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{probability}\:\mathrm{that}\:\mathrm{roots} \\ $$$$\mathrm{will}\:\mathrm{be}\:\mathrm{real}? \\ $$ Commented by mr W last updated…
Question Number 182331 by ali009 last updated on 07/Dec/22 $${a}\:{box}\:{contains}\:\mathrm{5}\:{white}\:{balls}\:{and}\:{some}\:{black} \\ $$$${balls}.\:{if}\:{the}\:{probability}\:{of}\:{drawing}\:{a}\:{black} \\ $$$${ball}\:{from}\:{the}\:{bag}\:{is}\:{twice}\:{the}\:{prbability} \\ $$$${of}\:{drawimg}\:{a}\:{white}\:{ball}\:{then}\:{find}\:{number} \\ $$$${of}\:{black}\:{balls}. \\ $$ Answered by Acem last updated…