abe yaar kya farak padta hai... 3/5=0.6 , other one may be 0.4 ya 0.3, 0.3 ke difference ke liye lad rahe ho...
Chill guys... On 8/8/11, Shuaib Khan <[email protected]> wrote: > On Mon, Aug 8, 2011 at 12:51 AM, aseem garg <[email protected]> wrote: > >> @Shuaib: **What is the probability that you toss *next time, heads turns >> up***. > > > Well if you interpret it your way, then you are right. Otherwise, not. > >> >> Aseem >> >> >> >> On Mon, Aug 8, 2011 at 1:19 AM, Shuaib Khan <[email protected]>wrote: >> >>> >>> >>> On Mon, Aug 8, 2011 at 12:47 AM, aseem garg <[email protected]> wrote: >>> >>>> Think it like this. I have tossed a coin 5 times and it showed heads all >>>> the times. What is the probabilty of it shoing a HEADS now? >>>> Aseem >>>> >>> >>> Well you are thinking about it the wrong way. Question asks that what is >>> the probability that heads will show up the first five times, plus a >>> sixth >>> time. Not just the sixth time. The first five times head showing up is >>> part >>> of the question. >>> >>> >>> >>>> >>>> >>>> >>>> On Mon, Aug 8, 2011 at 1:12 AM, Shuaib Khan >>>> <[email protected]>wrote: >>>> >>>>> >>>>> >>>>> On Mon, Aug 8, 2011 at 12:40 AM, Puneet Gautam <[email protected] >>>>> > wrote: >>>>> >>>>>> Sixth toss is independent of previous tosses and dependent only on >>>>>> coin selection...! >>>>>> >>>>>> 1/5 + 4/5(1/2)= 3/5 >>>>>> >>>>>> is the correct answer.... >>>>>> >>>>>> we want to calc. probability of getting heads the sixth time only.... >>>>>> even if it would have been 100 th time...3/5 would be the answer >>>>>> only.. >>>>>> >>>>>> >>>>> It is not independent. Re read the question. The first five times, it >>>>> HAS to be heads. >>>>> >>>>>> >>>>>> On 8/8/11, Prakash D <[email protected]> wrote: >>>>>> > 1.) coin is fair >>>>>> > 2.) coin is unfair >>>>>> > >>>>>> > P(head) for unfair coin= 1/5 * 1= 1/5 >>>>>> > P(head) for fair coin= 4/5* 1/2 = 2/5 >>>>>> > >>>>>> > >>>>>> > the probability at any instant that the tossed coin is a head is 3/5 >>>>>> > >>>>>> > 17/80 is the probability to get head at all the six times. >>>>>> > >>>>>> > the soln. for this problem will be 3/5 >>>>>> > >>>>>> > On Mon, Aug 8, 2011 at 12:45 AM, aseem garg <[email protected]> >>>>>> wrote: >>>>>> > >>>>>> >> If the coin is unbiased then probability of heads: 1/2 irrespective >>>>>> of >>>>>> >> whether it is first time or nth time. So answer should be 3/5. >>>>>> >> Aseem >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> On Mon, Aug 8, 2011 at 12:39 AM, saurabh chhabra >>>>>> >> <[email protected]>wrote: >>>>>> >> >>>>>> >>> Even u dont get why u people are gettin 17/80...the probability >>>>>> that >>>>>> >>> it will be a head 6th time will be same as the frst time...so it >>>>>> shud >>>>>> >>> be 3/5... >>>>>> >>> >>>>>> >>> On Aug 7, 11:05 pm, Kunal Yadav <[email protected]> wrote: >>>>>> >>> > @algo: We can get head in two cases:- >>>>>> >>> > >>>>>> >>> > 1.) coin is biases >>>>>> >>> > 2.) coin is not biased >>>>>> >>> > >>>>>> >>> > P(head) for biased= 1/5 *1*1*1*1*1*1= 1/5 >>>>>> >>> > P(head) for unbiased= 4/5*(1/2)^6 >>>>>> >>> > hence combined probability is what nitish has already mentioned. >>>>>> Hope >>>>>> >>> you >>>>>> >>> > get the point. >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > >>>>>> >>> > On Sun, Aug 7, 2011 at 11:29 PM, Algo Lover < >>>>>> [email protected]> >>>>>> >>> wrote: >>>>>> >>> > > Can anyone explain the approach how to solve this . >>>>>> >>> > > I think all tosses are independent so it should be 3/5. why is >>>>>> this >>>>>> >>> in- >>>>>> >>> > > correct >>>>>> >>> > >>>>>> >>> > > On Aug 7, 10:55 pm, saurabh chhabra <[email protected]> >>>>>> wrote: >>>>>> >>> > > > sry...its wrong >>>>>> >>> > >>>>>> >>> > > > On Aug 7, 10:34 pm, Algo Lover <[email protected]> >>>>>> wrote: >>>>>> >>> > >>>>>> >>> > > > > A bag contains 5 coins. Four of them are fair and one has >>>>>> heads >>>>>> >>> > > > > on >>>>>> >>> > > > > both sides. You randomly pulled one coin from the bag and >>>>>> tossed >>>>>> >>> it 5 >>>>>> >>> > > > > times, heads turned up all five times. What is the >>>>>> probability >>>>>> >>> that >>>>>> >>> > > > > you toss next time, heads turns up. (All this time you >>>>>> don't know >>>>>> >>> you >>>>>> >>> > > > > were tossing a fair coin or not). >>>>>> >>> > >>>>>> >>> > > -- >>>>>> >>> > > 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. >>>>>> >>> > >>>>>> >>> > -- >>>>>> >>> > Regards >>>>>> >>> > Kunal Yadav >>>>>> >>> > (http://algoritmus.in/) >>>>>> >>> >>>>>> >>> -- >>>>>> >>> 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. >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Shuaib >>>>> http://www.bytehood.com >>>>> http://twitter.com/ShuaibKhan >>>>> >>>>> -- >>>>> 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. >>>> >>> >>> >>> >>> -- >>> Shuaib >>> http://www.bytehood.com >>> http://twitter.com/ShuaibKhan >>> >>> -- >>> 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. >> > > > > -- > Shuaib > http://www.bytehood.com > http://twitter.com/ShuaibKhan > > -- > 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.
