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What is the probability of x?

Name: Anonymous 2011-01-19 18:50

50%, either it happens or it doesn't.

Name: Anonymous 2011-01-19 18:52

1/256.

Name: Anonymous 2011-01-19 18:59

It depends on what the meaning of "x" is.

Name: Anonymous 2011-01-19 19:00

>>3

No it doesn't the probability is always 50%, either x happens or it doesn't.

Name: Anonymous 2011-01-19 19:07

>>1
Forget it, it's NP-complete.

Name: Anonymous 2011-01-19 22:50

The probability of x is y. Any idiot knows that.

Name: Anonymous 2011-01-19 22:51

>>4
What if it is null?

Name: Anonymous 2011-01-20 0:29

What is the event X,
btw did you install R yet?
http://www.r-project.org/

Name: Anonymous 2011-01-20 1:59

>>5
Forget it, P=NP https://romvf.wordpress.com/2011/01/19/open-letter/

Name: Anonymous 2011-01-20 4:48

>>7

x is in this case a stochastic variable, you can't assign a value to it.

Name: Anonymous 2011-01-20 8:38

>>9
Hello, Romanov.

Name: Anonymous 2011-01-20 10:04

>>9
Hm, let's implement that in Lisp!

Name: Anonymous 2011-01-20 10:36

Probability of x is P(x)

Name: Anonymous 2011-01-20 10:44

(define (P x) (halts? (NP x)))
(define (NP x) (not (P x)))

Name: Anonymous 2011-01-20 11:35

Let's say you flip a coin twice,
and the first flip will ALWAYS land on heads,
what is the probability of both flips landing on heads?

Name: Anonymous 2011-01-20 11:40

NP-complete?

Name: Anonymous 2011-01-20 11:41

>>15
0/10

Name: Anonymous 2011-01-20 11:42

>>16

NP-incomplete

Name: Anonymous 2011-01-20 12:29

>>15
Let's say you flip a coin twice,
and the first flip will ALWAYS land on heads,

Wait, what's the probability of having the first flip always land on heads on every test?

Name: Anonymous 2011-01-20 12:33

>>15
what is the probability of both flips landing on heads?
Probability is not involved, it all depends on how they are flipped.

Name: Anonymous 2011-01-20 12:42

>>19
ALWAYS implies 100% probability

>>20
http://www.wikihow.com/Flip-a-Coin

Name: Anonymous 2011-01-20 12:45

>>15
There are only two possible outcomes: Heads/Heads, Heads/Tails. Therefore the probability of having both land on heads is 50%.

Name: Anonymous 2011-01-20 12:50

>>21
back to /b/, please

Name: Fuck off, !Ep8pui8Vw2 2011-01-20 13:10

>>23
Fuck off, ``you cock sucking shit eating flaming fucking faggot''.

Name: Anonymous 2011-01-20 13:16

>>21
ALWAYS implies 100% probability
But you can't be sure that the coin will ALWAYS land on heads.

Name: Anonymous 2011-01-20 13:30

>>25
How about I ALWAYS throw it on your head. Hmm?

Name: ERJAS 2011-01-20 13:35

>>26
You can't be sure it will hit me.

--
ERJAS Rudolf Josef Alexander Schroedinger.

Name: Anonymous 2011-01-20 13:40

>>15,19-22,25-27

50%, either it happens or it doesn't.

Name: Coin Flipping God 2011-01-20 13:48

>>25
The coin flip takes place in a universe in which there exists a true and perfect scientific law that cannot be contradicted or evaded; this law is basically Alpha and Omega of this universe:

LAW OF FLIPPING A SINGLE COIN TWICE IN ONE SESSION
Whenever a coin is flipped twice and only twice in a single session, the first flip will land heads, and the second flip will land either heads or tails. The first flip involves NO CHANCE- it will ALWAYS land heads. The second flip has a 50% chance of landing heads and a 50% chance of landing tails. The coin will always fall flat side down. How the coin is flipped has absolutely no effect to the outcome of the landing. The coin will land on a flat surface.

Name: ERJAS 2011-01-20 14:06

>>29
You're the reason of why we still don't have quantum computers.

--
ERJAS Rudolf Josef Alexander Schroedinger.

Name: Anonymous 2011-01-20 14:13

>>30
NO U

Name: Anonymous 2011-01-20 15:10

>>29
Repeat that in red!

Name: Anonymous 2011-01-20 15:13

>>32
#You are from /jp/, aren't you?

Name: Anonymous 2011-01-20 17:00

>>32
LAW OF FLIPPING A SINGLE COIN TWICE IN ONE SESSION
#Whenever a coin is flipped twice and only twice in a single session, the first flip will land heads, and the second flip will land either heads or tails. The first flip involves NO CHANCE- it will ALWAYS land heads. The second flip has a 50% chance of landing heads and a 50% chance of landing tails. The coin will always fall flat side down. How the coin is flipped has absolutely no effect to the outcome of the landing. The coin will land on a flat surface.

Name: Anonymous 2011-01-20 17:06

WHAT IS THE PROBABILITY OF ROLLING A 5 ON A FAIR DIE?

Name: Anonymous 2011-01-20 17:12

>>35
It has nothing to do with probability, all to do with how the dice is thrown.

Also there's no guarantee that it would land on any number.

Name: Anonymous 2011-01-20 17:13

>>35
FAIR DIE
It can only give 4s.

Name: Anonymous 2011-01-20 17:31

Law of flipping a single-sided coin on a one-sided surface.

Name: Anonymous 2011-01-20 17:36

There's an X chance that a coin will land heads 100/100 times.

There's an X chance that a coin will land heads 50/100 times.

There's an X chance that a coin will land heads 1/100 times.

Name: Anonymous 2011-01-20 17:41

Let's say you NEVER flip a coin,
Let's say that coins do not exist,
What is the probability of the coin landing on heads twice in a row if the chance of landing heads is 50%?
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