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Sam writes down the numbers $1,$ $2,$ $\dots,$ $315,$ $316,$ $317,$ $\dots,$ $248,$ $249,$ $250.$

 

(a) How many digits did Sam write, in total?

(b) Sam chooses one of the digits written down at random.  What is the probability that Sam chooses a $2$?

 Jun 8, 2024
 #1
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https://web2.0calc.com/questions/counting-problem_70639

 

cool cool cool

 Jun 8, 2024

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