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Your teacher divides your class into two groups, and then randomly chooses a leader for each group. The probability that you are chosen to be a leader is 112. The probability that both you and your best friend are chosen is 1/132.

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teacher divides class into two groups and randomly chooses leader for each group. probability of you be a leader 1/12. probability both you and friend are chosen 1/132. 1) is your friend in your group? 2)whats probability your friend chosen as leader. 3)how many students in the class Answer by robertb(5830) (Show Source):

is this right im not sure

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