Category: Probability and Statistics

Question Number 217909 by Tawa11 last updated on 23/Mar/25 If two fair dice is thrown twice, what is the probability of obtaining an even number…

Question Number 217617 by chidera last updated on 16/Mar/25 Answered by som(math1967) last updated on 17/Mar/25 $$\:{Probability}\:{a}\:{point}\:{lies}\:\bigtriangleup{ADM} \\ $$$$\:=\frac{{Ar}\bigtriangleup{ADM}}{{ABCD}}=\frac{\mathrm{1}}{\mathrm{4}} \\ $$$$\bigtriangleup{ADM}\:{but}\:{not}\:\bigtriangleup{ADN} \\ $$$$=\frac{\bigtriangleup{DOM}}{{ABCD}}=\frac{\mathrm{1}}{\mathrm{8}} \\ $$$${neither}\:\bigtriangleup{ADM}\:{nor}\:\bigtriangleup{ADN}…

Question Number 216746 by sniper237 last updated on 17/Feb/25 $${Calculate}\:\frac{\left(\mathrm{5}+{i}\right)^{\mathrm{4}} }{\mathrm{239}+{i}}\:{Then}\: \\ $$$${Prove}\:{the}\:{Machin}\:{formula} \\ $$$$\mathrm{4}{arctan}\left(\frac{\mathrm{1}}{\mathrm{5}}\right)−{arctan}\left(\frac{\mathrm{1}}{\mathrm{239}}\right)=\frac{\pi}{\mathrm{4}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 216161 by Spillover last updated on 28/Jan/25 Answered by MrGaster last updated on 15/Feb/25 $$\int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}\left({xy}\right)}{\mathrm{1}+{xy}}{xydxdy}=\int_{\mathrm{0}} ^{\mathrm{1}} {xdx}\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}\left({xy}\right)}{\mathrm{1}+{xy}}{dy}…

Question Number 215041 by Red1ight last updated on 26/Dec/24 $$ \\ $$3 numbers are selected randomly from 0 to 10 (Continuous). forming a new range.…