Crossword for 10th

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