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06-08-2021
Mathematics

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18 cards are numbered from 11 to 29 if one card is chosen at random, what is the probability that if contains the digit

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3ns7au2x7m 3ns7au2x7m

06-08-2021

What digit? 2?
If it’s two:

“There are 29–10 = 19 cards in total. There are 11 cards that has at least one 2 on it (12, 20–29). The probability of choosing a card with a 2 on it is 11/19.”

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