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Probability Review

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  • The letters in the word APRIL are put into a bag and drawn randomly. What is the probability that "not a vowel" is drawn?
    3/5
  • One card from a deck of cards is selected, replaced, and another card is selected. What is the probability that the first card is black and the second card is red?
    1/4
  • Four coins are flipped. What is the probability of the coins all landing on heads?
    1/16
  • Derek is selecting a sock from his drawer with 4 white socks and 2 striped socks. He chooses a sock at random and then randomly selects a second sock. What is the probability that Derek selected a striped sock both times?
    1/15
  • The letters in the word APRIL are put into a bag and drawn randomly. What is the probability that the letter A is drawn?
    1/5
  • A basket of beads contains 8 red, 6 yellow, and 6 green. A bead will be drawn from the basket and replaced 60 times. What is a reasonable prediction for the number of times a green bead is drawn?
    18 green beads
  • Express the likelihood: Bills are due on the 32nd of the month.
    Impossible
  • Express the likelihood: It will rain if there is thunder.
    likely
  • The letters in the word APRIL are put into a bag and drawn randomly. What is the probability that a vowel is drawn?
    2/5
  • The weather report says that there is a 30% chance of rain. What is the probability that it does not rain?
    70%
  • In a movie drawer, there are seven action movies, five comedies, and three dramas. What is the probability of choosing an action or a comedy?
    4/5
  • Daniel drew a toy from a toy box that had 25 different toys. He selected a bouncy ball, replaced it, and then selected the bouncy ball again. What is the probability that this would occur?
    1/625
  • Express the likelihood: If you do your homework, your grade will improve
    likely
  • Express the likelihood :Scoring a touchdown will result in 6 points
    certain
  • A bag contains a total of 100 black and white marbles. Without looking, a marble is chosen, recorded, and placed back in the bag. A student records drawing 8 black marbles and 2 white marbles. Predict the number of black marbles in the bag.
    80 black marbles
  • The letters of the alphabet are written on cards and placed in a brown paper bag. What is the probability of drawing a consonant, replacing it, and then drawing a Z?
    21/676
  • The numbers 1-12 are written on a card and placed into a bag. What is the probability that a number divisible by 3 is drawn? What represents its complement?
    1/3:2/3
  • A box of granola bars has 3 chocolate chip bars, 2 peanut butter bars, 1 lemon bar, and 4 raisin bars. Katie will randomly select a granola bar from the box and then select another bar. What is the probability that the 1= lemon and 2=raisin
    2/45
  • In Mrs. Reynolds' class, there are 8 bus riders and 12 walkers. What is the probability of randomly selecting a student that walks to school?
    3/5