The internet world says this
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10-12-2015, 07:21 PM
RE: The internet world says this
(10-12-2015 07:06 PM)Theorist Wrote:  
(10-12-2015 07:00 PM)Clockwork Wrote:  You can't have 50/50 because you can't say for sure all are heads or all are tails. [/b]


Ok , the maths would be to show exactly 1 heads or tails


1/2*(1/2)^4*5=0.15625

And you agree the chance of choosing a result is unknown.


Ok, moving onto the proper scenario because you seem to understand the first part.


Take 52 random cards , one from each deck of 52 decks.


What is your chance of an ace choosing from the result?

Your problem statement is unclear.

Do you mean one card from each of 52 decks?

However, it doesn't matter how many decks or how many cards from each deck, the probability is the same in any case: 1 in 13.

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10-12-2015, 07:22 PM
RE: The internet world says this
(10-12-2015 07:14 PM)Theorist Wrote:  
(10-12-2015 07:10 PM)Slowminded Wrote:  You do the math and come up with the answer. Come on, what are the odds of you guessing what I got on my third flip?

your choice is out of 5 yes?

not out of 2.

No. It's not. The only way it would be out of 5 is if we were playing with a 5-sided die. Like Yahtzee. You do not have even an elementary understanding of probability. All I can think to do is recommend this.

#sigh
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10-12-2015, 07:24 PM
RE: The internet world says this
(10-12-2015 07:20 PM)Theorist Wrote:  
(10-12-2015 07:12 PM)Chas Wrote:  Why are you stuck on 5? The probability is 0.5 regardless of the number of coins.


How many values do you see here - NNNNN


I asked you to choose 1 of 5, I asked you your chance of heads, lets reveal these results for the above I have just flipped.


hhtth


0.5 really?

Really. The odds for any individual coin flip. The others are independent events.

The odds of getting heads given that there are 3 heads and two tails is not the same as the odds of getting heads given a single coin flip. You do not seem to understand that difference.

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10-12-2015, 07:24 PM
RE: The internet world says this
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. . . ................................ ......................................... . [Image: 2dsmnow.gif] Eat at Joe's
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10-12-2015, 07:25 PM (This post was last modified: 10-12-2015 07:32 PM by Clockwork.)
RE: The internet world says this
(10-12-2015 07:06 PM)Theorist Wrote:  
(10-12-2015 07:00 PM)Clockwork Wrote:  You can't have 50/50 because you can't say for sure all are heads or all are tails. [/b]


Ok , the maths would be to show exactly 1 heads or tails


1/2*(1/2)^4*5=0.15625

And you agree the chance of choosing a result is unknown.


Ok, moving onto the proper scenario because you seem to understand the first part.


Take 52 random cards , one from each deck of 52 decks.


What is your chance of an ace choosing from the result?
Look, no offense, but I already had this class. I made a perfect score on the permutations & combinations part of the course. I always aced my math classes. Smile

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10-12-2015, 07:26 PM
RE: The internet world says this
(10-12-2015 07:22 PM)GirlyMan Wrote:  
(10-12-2015 07:14 PM)Theorist Wrote:  your choice is out of 5 yes?

not out of 2.

No. It's not. The only way it would be out of 5 is if we were playing with a 5-sided die. Like Yahtzee. You do not have even an elementary understanding of probability. All I can think to do is recommend this.

I have 5 boxes I ask you to pick a box your choice is out of how many boxes?
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10-12-2015, 07:30 PM
RE: The internet world says this
(10-12-2015 07:26 PM)Theorist Wrote:  
(10-12-2015 07:22 PM)GirlyMan Wrote:  No. It's not. The only way it would be out of 5 is if we were playing with a 5-sided die. Like Yahtzee. You do not have even an elementary understanding of probability. All I can think to do is recommend this.

I have 5 boxes I ask you to pick a box your choice is out of how many boxes?

The number of boxes doesn't matter. What's in them matters.
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10-12-2015, 07:30 PM
RE: The internet world says this
(10-12-2015 07:21 PM)Chas Wrote:  Your problem statement is unclear.

Do you mean one card from each of 52 decks?

However, it doesn't matter how many decks or how many cards from each deck, the

This internet forum is also struggling to understand something so simple. Thank you for remaining .

Yes 1 card from each of 52 decks. Consider what was agreed about the 5 coin toss results containing unknown quantities of heads or tails.

I can tell you the chance of your 52 random s contains exactly 4 aces is only 20.3% and a 1.6% chance there is no aces.
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10-12-2015, 07:30 PM
RE: The internet world says this
(10-12-2015 07:26 PM)Theorist Wrote:  I have 5 boxes I ask you to pick a box your choice is out of how many boxes?

and if each box has an equal chance of containing a ball or a rock then no matter which box you pick the odds of getting a ball are 1/2

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10-12-2015, 07:33 PM
RE: The internet world says this
(10-12-2015 07:30 PM)pablo Wrote:  The number of boxes doesn't matter. What's in them matters.

Who's question is this? I offer you a choice of 5, not a choice of 1/2.
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