10. Activity: Ask all the students in your class to write a 3-digit number in order. Choose any student from the
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room at random. What is the probability that the number written by her I him is diuisible by 3? Remember that a number is d iuisible by 3, if the sum of its d igits is diuisible by 3.
10. Activity: Ask all the students in your class to write a 3-digit number in order. Choose any student from the
238
room at random. What is the probability that the number written by her I him is diuisible by 3? Remember that a number is d iuisible by 3, if the sum of its d igits is diuisible by 3.