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Posted by on Tuesday, March 27, 2012 at 8:23pm.

If you roll a fair number cube 30 times, how many times would you expect to roll a number less than 3

  • math - , Tuesday, March 27, 2012 at 8:46pm

    2/6 * 30 = 10 times

  • math - , Tuesday, March 27, 2012 at 9:34pm

    can you explain each step?

  • math - , Wednesday, April 20, 2016 at 6:43pm

    2 (total numbers less than 3 on a cube)
    __
    6 (total numbers on a cube)
    2/6 * 30 (30 is how many time you rolled)
    2/6 * 30 =10 times

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