Homework Help: HELP MATH

Posted by Anonymous on Thursday, January 6, 2011 at 2:43pm.

to play a game, a die is rolled to see who plays first. four players are going to play the game. what is the probability that at least two people roll the same number?

HELP MATH - PsyDAG, Saturday, January 8, 2011 at 1:01am
Same as 2, 3 or 4 people rolling same number.

for 2 = 1/6 * 1/6 * 5/6 * 5/6 = ?

for 3 = 1/6 * 1/6 * 1/6 * 5/6 = ?

for 4 = 1/6 * 1/6 * 1/6 * 1/6 = ?

"Either-or" probability found by adding the three individual probabilities.

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