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Three dice are rolled.  Find the probability that the numbers that appear Are 3 different numbers...

Three dice are rolled.  Find the probability that the numbers that appear


Are 3 different numbers


Are all even or all odd


Math   Advanced-Math   
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Answer #1

Answer :

The total number of out comes when we rolled three dice is 36 = 729

The total number of outcomes that appears three different number is 6 x 5 x 4 =120

The probability that the numbers that appear are 3 different numbers is 120 / 729 = 0.1646

The total number of outcomes that appears three are even is 3 x 3 x 3 = 27

The total number of outcomes that appears three are odd is 3 x 3 x 3 = 27

The probability that the numbers that appear are all even or all odd is (27 + 27) / 36 = 54/729 = 0.0741

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