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18 In a class with a number of students, prefer reading scientific books, prefer reading stories and novels, and the remainder prefer reading poetry. If one student is chosen randomly, the probability that they prefer reading poetry is …

Ask by Coleman Hodgson. in Egypt
Mar 27,2025

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The probability that a randomly chosen student prefers reading poetry is 15%.

Solución

  1. The total percentage of students is .
  2. Students who prefer scientific books: .
  3. Students who prefer stories and novels: .
  4. The percentage of students who prefer poetry is:
  5. Therefore, the probability that a randomly chosen student prefers reading poetry is:

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To find the percentage of students who prefer reading poetry, we first add the percentages of those who prefer scientific books and stories/novels.
Given:
  • prefer scientific books
  • prefer stories and novels
Adding these together:
Now, we can find the percentage of students who prefer reading poetry by subtracting the total from 100%:
Thus, if one student is chosen randomly, the probability that they prefer reading poetry is or .

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