# HELP MATH

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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 -

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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