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Search: Posts Made By: ganzfeld
Forum: Trivia 10 February 2014, 10:13 PM
Replies: 81
Views: 74,332
Posted By ganzfeld
It sounds like the false objection I gave to the...

It sounds like the false objection I gave to the 100-door Monty. I wasn't saying it's a valid objection - just that I don't think it will clear things up because people get confused and say that the...
Forum: Trivia 09 February 2014, 04:40 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
OK, that is similar to proof by exhaustion, which...

OK, that is similar to proof by exhaustion, which is indeed one of the definitions of brute force.
Forum: Trivia 09 February 2014, 04:05 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
You've called it "brute force" twice, Hero, but I...

You've called it "brute force" twice, Hero, but I don't know what you mean by that. That phrase has several meanings but none of them apply. Do you mean solving it by example?
Forum: Trivia 08 February 2014, 11:54 PM
Replies: 81
Views: 74,332
Posted By ganzfeld
I'm just saying that if you explain it that way...

I'm just saying that if you explain it that way someone will say, "no, you changed the rules; last time only one was opened." Then try to convince them that even when Monty only opens one of the 99...
Forum: Trivia 08 February 2014, 04:20 PM
Replies: 81
Views: 74,332
Posted By ganzfeld
In the three-door problem he only opens one door....

In the three-door problem he only opens one door. In the 100-door problem whether he opens one or 98, it's still better to switch. So I wouldn't say that's part of the premise.
Forum: Trivia 08 February 2014, 03:14 PM
Replies: 81
Views: 74,332
Posted By ganzfeld
Well, sure, but it only looks easier if you open...

Well, sure, but it only looks easier if you open a whole bunch of doors. How about 100 doors, one car, and Monty opens only one non-car door? It's still better to switch but it's probably even harder...
Forum: Trivia 08 February 2014, 04:13 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
OK, I get your point. It's neat that it tends...

OK, I get your point. It's neat that it tends toward that ratio (even though the ratio itself doesn't tell us anything we don't already know).
Forum: Trivia 08 February 2014, 03:36 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
Unfortunately, Excel doesn't tell me what you're...

Unfortunately, Excel doesn't tell me what you're doing or why you are doing it. :rolleyes: You could just use the standard Bayes and tell me which values you're plugging in where. *sigh*

Why did...
Forum: Trivia 08 February 2014, 03:05 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
Teacher I don't understand your computations. Especially...

I don't understand your computations. Especially this part.
Forum: Trivia 07 February 2014, 12:32 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
I guess it's a bit of a quibble about using the...

I guess it's a bit of a quibble about using the term "size" that goes way back. But whenever we talk about the size of an object, whether it's a galaxy, an elephant, an atom, or a neutrino, we have...
Forum: Trivia 07 February 2014, 12:22 AM
Replies: 81
Views: 74,332
Posted By ganzfeld
We share about 50% of our genes with the banana...

We share about 50% of our genes with the banana plant, which is not the same as sharing 50% of our DNA with banana. And not really surprising when you consider: You can eat a banana and use the same...
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