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Question:


maganda12

When a number cube is rolled, what are the odds that a number with no curved lines will be face up?

its a math question. please help me answer this.

thank you

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Posted by maganda12 on Sunday November 16, 2008 at 9:33 PM and tagged with math, number cube, odds.

Answers:


  1. eaglecat Teacher
    High School - 10th Grade

    eNotes Editor

    This is a basic probability question that can be solved by using any calculator's cNr key.  You select the number of possible desired outcomes (in which a number with no curved lines comes up) and enter that number, press the cNr key (sometimes you must press the shift or second key to access it) and then you enter the total number of possible outcomes (rolls of the cube)and hit enter. 

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    Posted by eaglecat on Monday November 17, 2008 at 9:33 AM

  2. kbeth
    kbeth Student
    College - Senior

    If our choices are numbers 1-6, the only numbers with no curved lines would be 1 and 4, so that's 2 out of 6 possibilities, or 1/3... or a 33.3% chance.

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    Posted by kbeth on Monday November 17, 2008 at 4:55 PM

  3. neon-ice-cream
    neon-ice-cream Student
    High School - 9th Grade

    1 2 3 4 5 6

    it depends on your cube if you cube has a straight line for one (l) then it would be 2/6 or 1/3

    if it has one written like this 1 then it would only be 1/6

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    Posted by neon-ice-cream on Sunday January 11, 2009 at 8:21 AM