Crossword for 10th

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Across
  1. 3. an event that has no chance of occurring is
  2. 4. an event that has a 100% probability of occurrence is
  3. 6. is a result of a random experiment
  4. 9. a polynomial of degree two is called
  5. 11. all the three sides of a triangle are equal and each angle measures 60 degrees
  6. 14. is a set of outcomes
  7. 15. probability a trial of probability is when the experiment is performed once
  8. 16. an event having only one outcome of the experiment is
Down
  1. 1. all the angles are smaller than 90 degrees
  2. 2. the branch of mathematics that measures the uncertainty of the occurrence of an event using numbers is
  3. 3. any two sides of the triangle are of equal length
  4. 5. one of the angles is greater than 90 degrees
  5. 7. a polynomial of degree three is called
  6. 8. the sum of the probabilities of all the elementary events of an experiment is
  7. 10. any one of the three angles is equal to 90 degrees
  8. 12. a polynomial whose degree is one is called
  9. 13. all the three sides of the triangle are of different measure