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It confirms with you, no trust required.

I'm afraid this is wrong - you shouldn't distinguish between Bb and bB. In this problem, they are not different states, so counting them messes up your probability calculation. Som…

"Under your inference, the man wouldnt have mentioned anything unless he had at least one male child. (in which case you can say the GG scenario is gone, but GB BG and BB are equal…

So you say: "it is clear why BB, BG, GB, and GG have equal probability in the unrestricted case" The restricted case is just the unrestricted case + one additional bit of informati…

Imagine a similar problem but with red and blue poker chips. Say, for example, that I have a bag and I pull out two chips, one at a time. In this problem, would you still try to di…

Since the constraint simply says that at least one child is a boy, we don't need to distinguish between two types of BB. This is a curious misconception, by the way. The typical fa…

For a randomly selected family with two children, there are four possible boy/girl combinations: B B, B G, G B, G G In the first case we are told that the older child is a boy. Thi…

Not really a product, though, so that doesn't count as a good example. Obviously a major discovery with high impact, though.

Google's algorithm was very good (though not completely novel, as it was based on the model of academic citations). Still, I think the following were bigger factors in Google's suc…

Print edition date.

The funny thing is that he is clearly thinking like a computer programmer in his first sentence. I wonder if naive users would generally have better results on first contact with S…

Planck's constant is not the smallest unit of distance. It's not a unit of distance at all. You're thinking of the Planck length. It is indeed proposed that the Planck length is th…

http://articles.latimes.com/2011/oct/06/business/la-fi-apple...

It can. As CEO, one of his responsibilities was to create an organisation that would endure. Apple itself may be Steve Job's greatest creation. The test of the next 10 years is to …

Yes, that was part of the multi-tasking model rolled out in iOS 4.

The end of the camera industry != no cameras, it really means that standalone cameras are reduced to a niche market serving enthusiasts only. Will that happen? Seems likely, given …

Probably because the Canadian accent is not currently supported - US, UK, Australia, if I remember correctly.

Does Google deserve no credit for Android since they bought that? I presume Apple has done some work on Siri since they bought it over a year ago...

The iPhone has had voice commands such as "Call x" since 2009. This is something different.