Mathematics, 20.06.2020 20:57, icantspeakengles

I dont understand B and C in this question so there are a deck of cards 1-10 i already got A right but B and C i dont understand
B: what is the probability of choosing a card that has a digit 1 on it
C: what is the probability that does not have a digit 1 on it? give both answers as a fraction here are the numbers to help
1 2 3 4 5 6 7 8 9 10

Answers: 2

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I dont understand B and C in this question so there are a deck of cards 1-10 i already got A right...