-1
votes
1answer
873 views

Three Envelopes Problem [duplicate]

Possible Duplicate: The Monty Hall problem Three envelopes are presented in front of you by an interviewer. One contains a job offer, the other two contain rejection letters. You pick one of ...
1
vote
2answers
494 views

Mystery card probability riddle [duplicate]

Possible Duplicate: The Monty Hall problem I’m looking for the better explanation to the solution of this riddle, because I always struggle to get people to accept the ones I know. Riddle: ...
3
votes
3answers
84 views

Probability doubles if you switch cards when the third card is revealed, How? [duplicate]

So I was watching the show Numb3rs, and the math genius was teaching, and something he did just stumped me. He was asking his class (more specifically a student) on which of the three cards is the ...
-1
votes
2answers
385 views

Monty Hall Variation (100 doors) [duplicate]

Suppose you're on a game show, and you're given the choice of one hundred doors: Behind one door is a car; behind the others, goats. You pick a door, say No. 1, and the host, who knows what's behind ...
0
votes
1answer
282 views

game show problem [duplicate]

Possible Duplicate: The Monty Hall problem You are in a game show. You have to choose between three buttons, A, B and C. Pressing one of them will give you £200,000, and pressing either of the ...
2
votes
3answers
109 views

Monty Hall Problem: Reasoning Behind the Logic [duplicate]

I watched Lecture 18: Probability Introduction from the MIT OpenCourseWare where the lecturer talks about the Monty Hall problem. He draws the decision tree and we find that actually you have a 2/3 ...
0
votes
3answers
79 views

Conditional probability problem of three choices [duplicate]

I have the following problem where I have difficulties grasping the intuition: Lets say we have three boxes, with two of them empty and one containing a gold price. Lets say we randomly select ...
0
votes
2answers
137 views

What are the various explanations to arrive at the solution of Monty Hall Problem? [duplicate]

Possible Duplicate: The Monty Hall problem I want to know what are the various ideas which you might have come across to arrive at the solution of the Monty Hall Problem ? My idea is to get ...
-1
votes
3answers
65 views

By Changing My Option, How Does This Double My Chance of Winning? [duplicate]

Note: I was brought here by the 'wonderful' community of Philosophy. I realise the title 'By Changing My Option, How Does This Double My Chance of Winning?' was a little vague so let me go into ...
0
votes
2answers
89 views

Do I help my chances in picking the bucket with gold, if I re-select after an empty bucket is removed? [duplicate]

Possible Duplicate: The Monty Hall problem Let's say there are ten covered buckets. One of the buckets holds gold, while the rest are empty. I can't lift or touch the buckets, but I can ...
0
votes
2answers
93 views

Monty Hall and conditional probabilities [duplicate]

I am a bit confused. I thought after Monty opens the door with the goat, conditional probabilities kick in and our sample space shrinks down to 2 doors instead of 3, and since they were all equally ...
0
votes
1answer
73 views

Struggling with a Bayes theorem/conditional probability question [duplicate]

The question: You are playing a card game where the dealer selects three cards from a playing deck; 1 red and two black. The dealer shuffles the three cards and lays them face down next to each other,...
1
vote
0answers
55 views

Probability question - chances [duplicate]

A game show offers contestants the following chance to win a car: There are three doors. A car is hidden behind one door, and goats are hidden behind each of the other doors. The contestant selects a ...
81
votes
41answers
13k views

What are some examples of a mathematical result being counterintuitive?

As I procrastinate studying for my Maths Exams, I want to know what are some cool examples of where math counters intuition. My first and favorite experience of this is Gabriel's Horn that you see in ...
112
votes
16answers
31k views

Monty hall problem extended.

I just learned about the Monty Hall problem and found it quite amazing. So I thought about extending the problem a bit to understand more about it. In this modification of the Monty Hall Problem, ...

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