Multiple choice

A bag contains 100 cards on each card the number 1 -100 are written. Jack picks out a card from the bag.Find the probability that the number on the card contains a $0.$

  1. $\dfrac{5}{55}$
  2. $\dfrac{10}{90}$
  3. $\dfrac{10}{100}$
  4. $\dfrac{15}{25}$
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C Correct answer
Explanation

Numbers containing a 0 between 1 and 100 are: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100. There are 10 such numbers. The probability is 10/100.

AI explanation

The total number of cards is 100, making the total possible outcomes 100. The numbers containing the digit 0 are 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100, giving exactly 10 favorable outcomes. By the classical definition of probability, the chance is 10 divided by 100.

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