A bicycle lock requires a two-digit code of numbers 1 through 9, and any digit may be used only once. Which expression would determine the probability that both digits are even?
Accepted Solution
A:
The correct answer is:A. P(both even) = [tex]\frac{(_{4}P_{1})(_{3}P_{1})}{_{9}P_{2}}[/tex]The expression would determine the probability that both digits are even.[tex]|Huntrw6|[/tex]