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# Windows 7: Today's Puzzle

 16 May 2013 #1 mitchell65 Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1 5,256 posts Cornwall UK Today's Puzzle There are three discs, Each on has a "7" on one side and an "8" on the other side. If thrown up radomly, how many combinations of numbers is possible. (Example "777" "888" etc) My System Specs
 16 May 2013 #2 boohbah Microsoft Windows 7 Home Premium 64-bit 7600 15,076 posts cornwall UK Im FIIK My System Specs
 16 May 2013 #3 mitchell65 Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1 5,256 posts Cornwall UK Quote: Originally Posted by boohbah Im FIIK So what's new in Truro? My System Specs
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 16 May 2013 #4 Kari Windows 10 Pro x64 EN-GB 17,819 posts A Finnish ex-pat in Leipzig, Germany Quote: Originally Posted by mitchell65 There are three discs, Each on has a "7" on one side and an "8" on the other side. If thrown up radomly, how many combinations of numbers is possible. (Example "777" "888" etc) 2 * 2 * 2 = 8 combinations.777 778 787 788 877 878 887 888 My System Specs
 16 May 2013 #5 mitchell65 Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1 5,256 posts Cornwall UK Quote: Originally Posted by Kari    Quote: Originally Posted by mitchell65 There are three discs, Each on has a "7" on one side and an "8" on the other side. If thrown up radomly, how many combinations of numbers is possible. (Example "777" "888" etc) 2 * 2 * 2 = 8 combinations.777 778 787 788 877 878 887 888 But 778 is the same as 787 is the same as 877 788 is the same as 878 is the same as 887 My System Specs
 16 May 2013 #6 Kari Windows 10 Pro x64 EN-GB 17,819 posts A Finnish ex-pat in Leipzig, Germany Statistically not. When counting the probability of a certain combination, then you need to count every disk having 2 possibilities, giving the formula 2*2*2 = 8 = 2³. Statistically 778 is not the same as 787 or 877 when analyzing results. My System Specs
 16 May 2013 #7 boohbah Microsoft Windows 7 Home Premium 64-bit 7600 15,076 posts cornwall UK i see your not from Truro kari (or helston! ) , nor me im Glaswegian. My System Specs
 16 May 2013 #8 Kari Windows 10 Pro x64 EN-GB 17,819 posts A Finnish ex-pat in Leipzig, Germany Quote: Originally Posted by boohbah i see your not from Truro kari (or helston! ) , nor me im Glaswegian. I'm not sure if that's flattery or mockery, so no comments... My System Specs
 16 May 2013 #9 mitchell65 Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1 5,256 posts Cornwall UK Quote: Originally Posted by Kari Statistically not. When counting the probability of a certain combination, then you need to count every disk having 2 possibilities, giving the formula 2*2*2 = 8 = 2³. Statistically 778 is not the same as 787 or 877 when analyzing results. True in a way but please read the puzzle again. Forget numbers and look at the puzzle as it is written. There are four ways the discs can land 1) three sevens 2) three eights 3) two sevens and one eight 4) two eights and one seven Answer four Q.E.D. My System Specs
 16 May 2013 #10 boohbah Microsoft Windows 7 Home Premium 64-bit 7600 15,076 posts cornwall UK ps....Urban Dictionary: FIIK My System Specs

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