How can I find the expected number of tosses , required to obtain a
{HT,TH,TT} , by using random variables??
On Friday, December 31, 2010 8:27:46 PM UTC+5:30, Dave wrote:
>
> @Anuj and Bittu: It is not necessary to know the bias. You can
> simulate the flip of an unbiased coin with multiple flips of a biased
> coin: Flip it twice. If the result is HT, consider it a Head. If the
> result is TH, consider it a Tail. If the result is HH or TT, repeat
> the process. It terminates with probability 1. Now use the resulting
> Head or Tail in the procecure for deciding with a biased coin.
>
> Dave
>
> On Dec 31, 7:07 am, Anuj Kumar <anuj.bhambh...@gmail.com> wrote:
> > in case the coin is not biased, we can flip the coin twice and define
> the
> > rules as if {H,H} comes then ignore it i.e. dont take it as a flip and
> the 3
> > other events would be valid onces and could occur with equal
> probabilities.
> >
> > In case of a biased coin please specify the probability of getting heads
> and
> > that of getting tails.
> >
> >
> >
> >
> >
> > On Fri, Dec 31, 2010 at 4:11 PM, bittu <shashank7andr...@gmail.com>
> wrote:
> > > At a restaurant, how can Veronica choose one out of three desserts
> > > with equal probability with the help of a coin? What if the coin is
> > > biased and the bias is unknown?
> >
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> > --
> > Anuj Kumar
> > Third Year Undergraduate,
> > Dept. of Computer Science and Engineering
> > NIT Durgapur- Hide quoted text -
> >
> > - Show quoted text -
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