SOLUTION: There are 15 students in a lab. Count the total number of ways that 4 can receive A's and 7 receive B's.
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Question 879206: There are 15 students in a lab. Count the total number of ways that 4 can receive A's and 7 receive B's.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
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