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Probability Review

  •  English    15     Public
    Probability
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  • What is the probability of drawing a vowel (a, e, i, o, u) if all the letters in the alphabet are on cards in a bowl?
    5/26
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  • The following M&Ms are in a bag: 12 yellow, 8 green, 7 red, 9 blue, and 10 brown. What is the probability of drawing a red or blue?
    16/46
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  • Jimmy won tickets to a baseball game Friday, Saturday, or Sunday. There is a 35% chance his tickets are for Friday, a 43% chance for Saturday. What is the probability his tickets are for Sunday?
    22%
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  • Landon made 20 out of 25 extra points for his football team. How many of the next 20 would you expect him to make?
    16
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  • Jace rolled a die 30 times and it landed on a 5 nine times. Compare the theoretical probability of landing on a 5 to the experimental probability of landing on a 5.
    Theoretical - 1/6 Experimental 9/30 (Experimental is higher in this case)
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  • What percent can be described as "likely" in probability?
    > 50%
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  • At a bakery, 7 out of 200 cookies had to be thrown out because they weren’t uniform enough. How many would you expect to have to throw out if you make 1600 cookies?
    56
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  • How many total possibilities are there if you spin each spinner once?
    5 x 4 = 20
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  • A test has 2 multiple choice questions, each with 4 answer choices. What is the probability of guessing correctly for both questions?
    1/16
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  • There were 6 purple socks and 4 orange socks in a drawer. Sally picked one sock without looking and then another without replacing the first. What is the probability of drawing 2 purple?
    1/3
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  • Jennifer had a 24% chance of being elected class president. John had a 36% chance of being elected vice president. What is the probability that both will win?
    8.64%
  •  20
  • What is the probability of drawing a red card (deck of cards) and then rolling either a 3 or 4 on a die?
    1/6
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  • How many total possibilities of outfits do you have if you have 4 shorts, 5 shirts, and 2 pairs of shoes to choose from?
    40
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  • Find the probability
    1/16
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  • Using the table below, calculate the probability that a person will have blue eyes and blonde hair.
    8.88%
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