Mathematics, 06.05.2020 03:04 lacourboud20005
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?
A - P(both even) = (4P1)(3P1)/9P2
B - P(both even) = (4C1)(3C1)/9C2
C - P(both even) = (5P1)(4P1)/9P2
D - P(both even) = (5C1)(4C1)/9C2
Answers: 2
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