according to me it is 1/3 read the line carefully "What is the probability that the next pen from the same packet will also be a blue one? " since it is said the first pen was blue and second pen must also be blue. for it to happen 1st packet contaning all blue pen should be selected whose probablity of selection is 1/3
On Aug 5, 9:06 pm, nishaanth <[email protected]> wrote: > Bayes theorem... > > Approach : > > P(pen from packet 1 | Blue) =2/3 (from Bayes rule) > > P(pen from packet 2 | Blue) =1/3 > > Req prob = 2/3 + 1/3 . 1/2 > =5/6 > > On Fri, Aug 5, 2011 at 6:02 PM, abhishek iyer > <[email protected]>wrote: > > > > > > > > > > > @Nishant.. Can u please explain ur approach.. I think its as per mentioned > > above 1/2... > > On 5 Aug 2011 21:30, "nishaanth" <[email protected]> wrote: > > > 5/6 > > > > On Fri, Aug 5, 2011 at 5:55 PM, Rahul Jain <[email protected]> > > wrote: > > > >> i agree with puneet. 1/2 > > > >> On Fri, Aug 5, 2011 at 9:18 PM, Puneet Goyal <[email protected] > > >wrote: > > > >>> 1/2 > > > >>> you got the blue pen so it is for sure that is one of the first two > > >>> packets, so you are left with a black pen and a blue pen and you have > > to > > >>> find the probability of finding a blue pen among them > > > >>> On Fri, Aug 5, 2011 at 9:14 PM, Kamakshii Aggarwal < > > >>> [email protected]> wrote: > > > >>>> I was given 3 packets, with 2 pens each. > > > >>>> 1st Packet has 2 blue pens. > > > >>>> 2nd Packet has 1 blue pen,1 black pen. > > > >>>> 3rd Packet has 2 black pens. > > > >>>> I took any one packet and pulled out one pen. It turned out to be a > > blue > > >>>> one. > > > >>>> What is the probability that the next pen from the same packet will > > > >>>> also be a blue one? > > > >>>> -- > > >>>> Regards, > > >>>> Kamakshi > > >>>> [email protected] > > > >>>> -- > > >>>> You received this message because you are subscribed to the Google > > Groups > > >>>> "Algorithm Geeks" group. > > >>>> To post to this group, send email to [email protected]. > > >>>> To unsubscribe from this group, send email to > > >>>> [email protected]. > > >>>> For more options, visit this group at > > >>>>http://groups.google.com/group/algogeeks?hl=en. > > > >>> -- > > >>> ----------------------------------------------------------------------- > > >>> Puneet Goyal > > >>> Student of B. Tech. III Year (Software Engineering) > > >>> Delhi Technological University, Delhi > > >>> ----------------------------------------------------------------------- > > > >>> -- > > >>> You received this message because you are subscribed to the Google > > Groups > > >>> "Algorithm Geeks" group. > > >>> To post to this group, send email to [email protected]. > > >>> To unsubscribe from this group, send email to > > >>> [email protected]. > > >>> For more options, visit this group at > > >>>http://groups.google.com/group/algogeeks?hl=en. > > > >> -- > > >> You received this message because you are subscribed to the Google > > Groups > > >> "Algorithm Geeks" group. > > >> To post to this group, send email to [email protected]. > > >> To unsubscribe from this group, send email to > > >> [email protected]. > > >> For more options, visit this group at > > >>http://groups.google.com/group/algogeeks?hl=en. > > > > -- > > > S.Nishaanth, > > > Computer Science and engineering, > > > IIT Madras. > > > > -- > > > You received this message because you are subscribed to the Google Groups > > "Algorithm Geeks" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > [email protected]. > > > For more options, visit this group at > >http://groups.google.com/group/algogeeks?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Algorithm Geeks" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group at > >http://groups.google.com/group/algogeeks?hl=en. > > -- > S.Nishaanth, > Computer Science and engineering, > IIT Madras. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
