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Evgen [1.6K]
3 years ago
7

A two-digit locker combination is made up of nonzero digits and no digit is repeated in any combination.

Mathematics
1 answer:
frez [133]3 years ago
3 0
|\Omega|=9\cdot8=72\\
A\cap B=\{(1,2),(1,4),(1,6),(1,8)\}\\
|A\cap B|=4\\\\
P(A\cap B)=\dfrac{4}{72}=\dfrac{1}{18}\Rightarrow \text{A}
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