SOLUTION: Hi, I desperately need help with a probability and statistics problems. Q) How many paths can a rook move from the lower left corner of a chessboard to the diagonally opposit

Question 54244: Hi,
I desperately need help with a probability and statistics problems.
Q) How many paths can a rook move from the lower left corner of a chessboard to the diagonally opposite corner by moving only up or the right at each step?
Here is what I have for the answer, but not sure:
(2n ) or (14 )
( n ) ( 7 )
Thank you very much for those like to help.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
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