Question Number 180821 by Acem last updated on 17/Nov/22 $${We}\:{want}\:{to}\:{randomly}\:{fill}\:{six}\:{digits}\:{with}\:{one}\:{of} \\ $$$$\:−\mathrm{1}\:{or}\:+\mathrm{1},\:{what}'{s}\:{the}\:{probability}\:{that}\:{the}\:{sum} \\ $$$$\:{value}\:{of}\:{those}\:{digits}\:{is}\:{zero}\:{provided}\:{that}\:{the}\:{same} \\ $$$$\:{values}\:{of}\:{digits}\:{aren}'{t}\:{adjacents}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 180775 by Acem last updated on 17/Nov/22 $${A}\:{box}\:{contains}\:\mathrm{2}\:{blue},\:\mathrm{1}\:{red}\:{balls}.\:{We}\:{randomly} \\ $$$$\:{draw}\:{one}\:{ball}\:{then}\:{put}\:{it}\:{back}\:{and}\:{add}\:{two}\:{balls} \\ $$$$\:{of}\:{the}\:{same}\:{color}\:{of}\:{that}\:{ball}\:{in}\:{the}\:{box}.\:{We} \\ $$$$\:{randomly}\:{draw}\:{again}\:{one}\:{ball},\:{if}\:{it}\:{was}\:{red}\:{then} \\ $$$$\:{what}'{s}\:{the}\:{probability}\:{that}\:{the}\:{first}\:{drawn}\:{ball} \\ $$$$\:{was}\:{blue}? \\ $$ Commented by som(math1967)…
Question Number 180735 by srikanth2684 last updated on 16/Nov/22 $${A}\:{and}\:{B}\:{throw}\:{with}\:\mathrm{3}\:{dice}.\:{if}\:{A}\: \\ $$$${throws}\:{a}\:{sum}\:{of}\:\mathrm{16}\:{points},\:{the} \\ $$$$\:{probability}\:{of}\:{B}\:{throwing}\: \\ $$$${a}\:{higher}\:{sum}\:{is}\: \\ $$$${pls}\:{solve} \\ $$ Answered by Acem last updated…
Question Number 180733 by srikanth2684 last updated on 16/Nov/22 $${let}\:{X}\:{have}\:{a}\:{Bernoulli}\:{distribution}\: \\ $$$${with}\:{mean}\:\mathrm{0}.\mathrm{4}\:,\:{then}\:{the}\:{variance} \\ $$$${of}\:\mathrm{2}{X}−\mathrm{3}\:{is} \\ $$$${pls}\:{solve} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 180734 by srikanth2684 last updated on 16/Nov/22 $${If}\:{f}\left({x}\right)=\left\{_{\mathrm{0},\:{othrrwise}} ^{\mathrm{2}{x}\:,\:\mathrm{0}\leqslant{x}\leqslant{a}} \:{is}\:{a}\:{probability}\right. \\ $$$${density}\:{funtion}\:{of}\:{a}\:{random}\: \\ $$$${variable},\:{then}\:{a}=? \\ $$$${pls}\:{solve} \\ $$ Answered by cortano1 last updated…
Question Number 180576 by Acem last updated on 14/Nov/22 Commented by Acem last updated on 14/Nov/22 $${a}\bullet\:{What}'{s}\:{the}\:{probability}\:{that}\:{Rosy}\:{would}\:{stand} \\ $$$$\:{on}\:{the}\:{far}\:{left}\:{and}\:{Nathalie}\:{on}\:{the}\:{far}\:{right}? \\ $$$${b}\bullet\:{Same}\:{question}\:{but}\:{and}\:{you}\:{stand}\:{in}\:{the}\:{middle} \\ $$$$\:{in}\:{case}\:{you}\:{were}\:\mathrm{11}\:{person}? \\ $$$${c}\bullet\:{Same}\:{question}\:'{a}'\:{but}\:{or}\:{you}\:{stand}\:{on}\:{the}\:\mathrm{2}{nd}…
Question Number 180558 by Acem last updated on 13/Nov/22 $${The}\:{football}\:{team}\:{meets}\:{in}\:{a}\:{circle}\:{to}\:{consult} \\ $$$$\:{about}\:{some}\:{plan}\:{to}\:{play},\:{what}'{s}\:{the}\:{probability} \\ $$$$\:{that}\:{the}\:{one}\:{player}\:{of}\:{the}\:{opponent}\:{team}\:{who}'{s} \\ $$$$\:{trying}\:{to}\:{eavesdrops}\:{is}\:{standing}\:{behind}\:{the} \\ $$$$\:{goalkeeper}? \\ $$ Answered by Acem last updated…
Question Number 180553 by Acem last updated on 13/Nov/22 Commented by Acem last updated on 13/Nov/22 $${What}'{s}\:{the}\:{probability}\:{that}\:{this}\:{bracelet}\:{will}\:{look} \\ $$$$\:{like}\:{this}? \\ $$ Commented by Acem last…
Question Number 114875 by bobhans last updated on 21/Sep/20 $${A}\:{man}\:{sent}\:\mathrm{7}\:{letters}\:{to}\:{his}\:\mathrm{7}\:{friend}\:. \\ $$$${the}\:{letters}\:{are}\:{kept}\:{in}\:{addressed}\:{envelopes} \\ $$$${at}\:{random}.\:{the}\:{probability}\:{that}\:\mathrm{3}\:{friends} \\ $$$${receive}\:{correct}\:{letters}\:{and}\:\mathrm{4}\:{letters}\:{go} \\ $$$${to}\:{wrong}\:{destination}\:{is}\:\_ \\ $$$$ \\ $$$$\left({old}\:{question}\:{unanswered}\right) \\ $$ Answered…
Question Number 180340 by srikanth2684 last updated on 17/Nov/22 $${please}\:{answer}\:{this}\:{question} \\ $$$${i}\:{have}\:{no}\:{idea}\:{to}\:{post}\:{an}\:{image}.\:{it}\:{is}\: \\ $$$${sent}\:{by}\:{mistke}. \\ $$ Commented by mr W last updated on 10/Nov/22 $${but}\:{this}\:{is}\:{not}\:{a}\:{question}\:{people}\:{can}…