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Probability Review

Probability Review. 1A) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble?. A. C. B. D. 1B) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a black marble?.

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Probability Review

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  1. Probability Review

  2. 1A) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble? A. C. B. D.

  3. 1B) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a black marble? Answer: The probability of drawing a black marble is TRUE or FALSE

  4. 1C) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a green marble? A. C. B. D.

  5. 1D) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble or a black marble? A. C. B. D.

  6. 1E) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble or a green marble? A. C. B. D.

  7. 2A) A deck of cards contains 52 cards, 13 from each suit. If a card is flipped over, what is the probability that it is a spade? Answer: The probability of a spade being flipped is True or False

  8. 2B) A deck of cards contains 52 cards, 13 from each suit. If a card is flipped over, what is the probability that it is a face card (Jack, Queen, Or King) of any suit? A. C. B. D.

  9. 3) A fair, six-sided die is tossed. What is the probability the first 5 occurs on the fourth roll? (Enter answer as a reduced fraction) 125/1296

  10. 4) You and a friend are going to flip a fair coin 10 times. Let H be the event that a flip lands with heads showing, and let T be the event that a flip lands with tails showing.  Because the coin is fair, assume Pr(H) = Pr(T) = 0.5. You flip HTHHTHTTTH Your friend flips HHHHHHHTTT Which sequence is more likely to occur? A.Your Flip C.Your Friend’s Flip B. The Same D. None of the Above

  11. 5A) What is the chance that the first card will be a heart and a Jack? Answer: The probability of the first card being a heart and a jack is TRUE or FALSE

  12. 5B) What is the chance that the first card will be a heart or a Jack? A. C. B. D.

  13. 5C) Given that the first card is a heart, what is the chance that it will be a Jack? (Enter the answer as a reduced fraction) 1/13

  14. 5D) Given that the first card is a Jack, what is the chance that it will be a heart? A. C. B. D.

  15. 6.) At a picnic, Missy reaches into an ice-filled cooler containing 8 regular soft drinks and 5 diet soft drinks. She removes a can, then decides she is not really thirsty, and puts it back. What is the probability that Missy and the next person to reach into the cooler both randomly select a regular soft drink? 64/169

  16. 6B.) A number cube with sides labeled 1 through 6 is rolled two times, and the sum of the numbers that end face up is calculated. What is the probability that the sum of the numbers is 3? • 1/18 • 1/12 • 1/9 • 1/2

  17. 7.) In a board game, three dice are rolled to determine the number of moves for the players. What is the probability that the first die shows a 6, the second die shows a 6, and the third die does not? • 1/6 C. 5/216 • 81/256 D. 81/256

  18. 8.) The host of a game show is drawing chips from a bag to determine the prizes for which contestants will play. Of the 10 chips in the bag, 6 show television, 3 show vacation, and 1 shows car. If the host draws the chips at random and does not replace them, find the probability that he draws a vacation, then a car. 1/30

  19. 9.) Adam scores well enough at a carnival game that he gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing two purple T-shirts? 5/57

  20. 10.) Evan scores well enough at a carnival game that he gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing two celebrity T-shirts? 10/171

  21. 11.) Monica scores well enough at a carnival game that she gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing a yellow, then a purple? 8/57

  22. 12.) Mal scores well enough at a carnival game that she gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing a celebrity, then a yellow? 20/171

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