2 dice

  1. O

    Need some help on my calculation

    Basically I used a program to roll 2 dice and see the observed outcomes compared to the expected outcome. Doing 100 rolls I should expect to see around 17 doubles. I then added up the values for the critical value and put them in a calculator and got Does this mean that it's unlikely to get...
  2. H

    2 four sided dice, probability of 1 dice = 3, sum = even

    [Question] 2 four tetrahedral dice with sides, 1,2,3,4. the two dice are thrown, what is the probability that given the first dice is a 3, the sum of the 2 dices will be an even number. This has had me stumped for about 30mins. im assuming i should be using P(A|B) = P(A&B)/P(B) where...