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Calculate Probability

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  • A family has three children. What is the probability of getting a last child which is a boy?
    1/2
  • Calculate the probability of getting NOT a blue.
    14/18 = 7/9
  • Calculate the probability of getting a green or blue.
    9/18 = 1/2
  • In rolling a fair die once, what is the probability of getting a number greater than 4?
    1/3
  • What is the probability of rolling a six-sided dice and getting a number less than 4?
    3/6 = 1/2
  • Calculate the probability of getting a yellow.
    3/18 = 1/6
  • What is the probability that Ameh takes a card with a star on it?
    1/12
  • A letter is chosen at random from the word FEBRUARY. What is the probability of getting a consonant?
    5/8
  • In a box, there are 24 balls numbered 1 through 24. If a ball is drawn from the box,what is the probability that the ball shows a number divisible by 5?
    1/6
  • What is the probability that he knocks down a pin with letter I?
    1/10
  • What is the probability of rolling a six-sided dice and getting a 2?
    1/6
  • In rolling a die, what is the probability of getting a number less than 6?
    5/6
  • What is the probability that Acek takes a card with a triangle on it?
    5/12
  • A letter is chosen at random from the word FEBRUARY. What is the probability of getting a vowel?
    3/8
  • Find the probability of the spinner stopping at a letter.
    4/8 = 1/2
  • If three coins are flipped at the same time, what is the probability of getting no tail?
    1/8
  • What is the probability of rolling a six-sided dice and getting a number greater than 2?
    4/6 = 2/3
  • What is the probability that he knocks down a blue or green pin?
    3/10
  • Calculate the probability of getting red.
    6/18 = 1/3
  • The re are six ₱100 bills, one ₱500 bill, and three ₱1000 bills in a wallet. If a pesobill is drawn from the wallet at random, what is the probability that a ₱1000 banknote is drawn?
    3/10
  • In a box, there are 4 green balls, 6 blue balls, and 8 red balls. Find the probability of getting a ball that is blue or red.
    7/9
  • There are 4 blue pens, 6 red pens, and 2 green pens in a bag. If a pen is drawn at random from the bag, what is the probability that a green pen is drawn?
    1/6