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by atorch
December 3rd, 2014, 1:24 pm
Forum: Brainteaser Forum
Topic: Android probability / stats puzzle app, good for interview practice
Replies: 8
Views: 8706

Android probability / stats puzzle app, good for interview practice

<r>For those who have android, I have 35 puzzles at <URL url="https://play.google.com/store/apps/details?id=atorch.statspuzzles.Here%27s"><LINK_TEXT text="https://play.google.com/store/apps/deta ... les.Here's">https://play.google.com/store/apps/details?id=atorch.statspuzzles.Here's</LINK_TEXT></URL...
by atorch
December 3rd, 2014, 1:04 pm
Forum: Brainteaser Forum
Topic: Android probability / stats puzzle app, good for interview practice
Replies: 8
Views: 8706

Android probability / stats puzzle app, good for interview practice

<t>QuoteOriginally posted by: outrun1 - ( (8+2)th Fibonacci number / 2^8), which is 201/256and for generic strings of length [$]n[$]$$ 1 - \frac{(1+\sqrt{5})^{n+2} - (1-\sqrt{5})^{n+2}}{ 2^n \sqrt{5}} $$Nice! Your first line is correct (201/256), but I think there's a typo in your general formula:$$...
by atorch
October 23rd, 2014, 9:04 am
Forum: Brainteaser Forum
Topic: Android probability / stats puzzle app, good for interview practice
Replies: 8
Views: 8706

Android probability / stats puzzle app, good for interview practice

<t>For those who don't have android:For the purposes of this puzzle, a "string" means a sequences of zeros and ones, e.g. 1011.Consider all the different strings of length eight -- a good first step would be to figure out how many of these exist.If you pick a length-eight string uniformly at random,...
by atorch
October 22nd, 2014, 11:21 am
Forum: Brainteaser Forum
Topic: Android probability / stats puzzle app, good for interview practice
Replies: 8
Views: 8706

Android probability / stats puzzle app, good for interview practice

<r>Hi everyone,I've made an android app that should be interesting to people here: <URL url="https://play.google.com/store/apps/details?id=atorch.statspuzzles"><LINK_TEXT text="https://play.google.com/store/apps/deta ... atspuzzles">https://play.google.com/store/apps/details?id=atorch.statspuzzles</...