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About LinkBacksGiven 3 dices are rolled, what is the probability of the sum of the faces is 6?
If n(A) is the number of elementary events in A
How do you get that?
P.S. How do I properly type permutations in latex? The first number is a bit far to the letter.
Given 3 dices are rolled, what is the probability of the sum of the faces is 6?
If n(A) is the number of elementary events in A
How do you get that?
P.S. How do I properly type permutations in latex? The first number is a bit far to the letter.
Hello chengbinThe possible scores are:Originally Posted by chengbin
Given 3 dices are rolled, what is the probability of the sum of the faces is 6?
If n(A) is the number of elementary events in A
How do you get that?
P.S. How do I properly type permutations in latex? The first number is a bit far to the letter.
- one 4 and two 1's. The number of ways of choosing which of the three dice shows the 4 is
.
- one 3, one 2 and one 1. The three dice can be arranged to show these scores in
ways.
- three 2's. There is no choice involved; all the dice must show the same number. This can be done in
(or
) ways.
Thus.
LaTeX answer: enclose ^3C_1 in {...}
Grandad
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