There are two cases: First if we get even number in first roll. So P(A)= 1/2 And if We get odd number in second roll, then we need keep rolling untill we find another odd number. So, (1/2)*[1/2] + 1/2*1/2*1/2 .... upto infinity.
On Sat, Aug 6, 2011 at 8:46 PM, Nitin Gupta < [email protected]> wrote: > 1/6*5/6*5/6*3+ 1/6*1/6*5/6*3+ 1/6*1/6*1/6 =91/216 > > > On Sat, Aug 6, 2011 at 8:24 PM, muthu raj <[email protected]> wrote: > >> Microsoft written: >> >> What is the probability of getting atleast one 6 in 3 attempts of a dice? >> >> >> *Muthuraj R >> IV th Year , ISE >> PESIT , Bangalore* >> >> >> >> >> On Sat, Aug 6, 2011 at 7:34 AM, shady <[email protected]> wrote: >> >>> Hi, >>> >>> A fair dice is rolled. Each time the value is noted and running sum is >>> maintained. What is the expected number of runs needed so that the sum is >>> even ? >>> Can anyone tell how to solve this problem ? as well as other related >>> problems of such sort.... >>> >>> -- >>> 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. >> > > -- > 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.
