Category: Probability and Statistics

Question Number 135181 by liberty last updated on 11/Mar/21 $$\mathrm{A}\mathrm{bag}\mathrm{has}4\mathrm{red}\mathrm{marbles},5\mathrm{white}$$$$\mathrm{marbles},\mathrm{and}6\mathrm{blue}\mathrm{marbles}.\mathrm{Three}$$$$\mathrm{marbles}\mathrm{are}\mathrm{drawn}\mathrm{from}\mathrm{the}\mathrm{bag},(\mathrm{without}$$$$\mathrm{replacement})\mathrm{What}\mathrm{is}\mathrm{the}\mathrm{probability}$$$$\mathrm{that}\mathrm{they}\mathrm{are}\mathrm{all}\mathrm{the}\mathrm{same}\mathrm{color}?$$ Answered by EDWIN88 last updated…

Question Number 3894 by Filup last updated on 24/Dec/15 $$\mathrm{I}\mathrm{have}n\mathrm{six}\mathrm{sided}\mathrm{dice}.$$$$\mathrm{I}\mathrm{roll}\mathrm{them}\mathrm{all}.\mathrm{What}\mathrm{is}\mathrm{the}\mathrm{proability}$$$$\mathrm{that}k\mathrm{of}\mathrm{them}\mathrm{share}\mathrm{the}\mathrm{same}\mathrm{value}?$$ Commented by Filup last updated on 24/Dec/15 $$\mathrm{Whoops}.\:\mathrm{That}\:\mathrm{was}\:\mathrm{my}\:\mathrm{mistake}! \…

Question Number 134622 by bobhans last updated on 05/Mar/21 $$\mathrm{Probability}$$Initially there are 4 red balls and 3 yellow balls in a bag, however…

Question Number 134498 by bemath last updated on 04/Mar/21 $$$$Consider a 12-letter word made up of 8 b’s and 4 a’s. what is…

Question Number 134296 by EDWIN88 last updated on 02/Mar/21 Answered by bramlexs22 last updated on 02/Mar/21 $$\mathrm{total}\mathrm{three}\mathrm{digit}\mathrm{numbers}=4\times 5^2=100$$$$\mathrm{the}\mathrm{number}\mathrm{has}\mathrm{identical}\mathrm{digit}?$$$$[111,333,555,999]=4\mathrm{numbers}$$$$\mathrm{the}\:\mathrm{p}\left(\mathrm{A}\right)=\:\frac{\mathrm{4}}{\mathrm{100}}\:=\:\frac{\mathrm{1}}{\mathrm{25}} \…