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Probability

  •  English    20     Public
    Probability in words and numbers
  •   Study   Slideshow
  • The probability of rain tomorrow is 2/5. What is the probability that it will NOT rain?
    3/5
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  • The probability of sun on Thursday is 30%. What is the probability that it will not be sunny?
    70%
  •  15
  • The probability of winning a game is 0.8. What is the probability of losing the game?
    0.2
  •  15
  • There are 20 balls in a bag, including 7 red balls and 13 blue balls. What is the probability of picking a red ball?
    7/20
  •  15
  • A dice is rolled. What is the probability of getting a 2?
    1/6
  •  15
  • A dice is rolled. What is the probability of getting a 7?
    0
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  • There are 30 students in a class, including 13 girls and 17 boys. What is the probability of choosing a boy?
    17/30
  •  15
  • A coin is tossed. What is the probability of getting a tail?
    1/2
  •  15
  • In a bag, there are 5 red balls, 2 blue balls, and 3 yellow balls. What is the probability of picking a ball which is blue or yellow?
    1/2 or 50%
  •  15
  • What is the next term of the sequence: 4, 5, 7, 10, 14 ?
    19
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  • What is the rule of the sequence: 10, 6, 2?
    Subtract 4
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  • What is the sum of all interior angles in an n-sided polygon?
    (n-2)x180
  •  15
  • What is the sum of all exterior angles in an n-sided polygon?
    360
  •  15
  • How many sides does a hexagon have?
    6
  •  15
  • Is a square a parallelogram?
    Yes
  •  15
  • If x^2=144, then x=?
    x=12 or x= -12
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