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Compound Probability

Quiz by Stephanie Dorman

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12 questions
Show answers
  • Q1
    What is the probability when you flip a coin of it landing tails up 3 times in a row?
    0
    1/4
    1/8
    1/2
    300s
  • Q2
    What is the probability that you choose a black marble, replace it, then choose a black marble?
    Question Image
    2/5
    1/25
    1/5
    1/45
    300s
  • Q3
    What is the probability that you choose a black marble, do NOT replace it, then choose a black marble?
    Question Image
    1/45
    2/5
    1/5
    1/25
    300s
  • Q4
    What is the probability that you choose a black marble, do NOT replace it, then choose a black marble do NOT replace it then choose a black marble?
    Question Image
    1/45
    0
    3/10
    1/125
    300s
  • Q5
    What is the probability that you choose a stripped marble, replace it, then choose a white marble?
    Question Image
    8/45
    4/25
    2/5
    4/5
    300s
  • Q6
    What is the probability that you choose a stripped marble, do NOT replace it, then choose a white marble?
    Question Image
    4/5
    2/5
    4/25
    8/45
    300s
  • Q7
    What is the probability that you spin an H and an odd number?
    Question Image
    8/49
    6/7
    8/14
    4/7
    300s
  • Q8
    What is the probability that you spin a vowel and a number less than 4?
    Question Image
    6/49
    5/14
    3/7
    5/7
    300s
  • Q9
    What is the probability that you spin a letter in the word "MATHEMATICS" and a 6?
    Question Image
    5/49
    5/14
    4/14
    4/49
    300s
  • Q10
    You have a bag of skittles containing 5 green, 4 yellow, 6 purple, 3 red, and 2 orange skittles. What is the probability you choose a green skittle, eat it, then choose a purple skittle? #simplify (use a calculator)
    3/40
    3/38
    11/39
    11/20
    300s
  • Q11
    There are 3 choices of jellybeans grape, cherry and orange. If the probability of choosing a grape is 3/10 and the probability of choosing a cherry is 1/5, then what is the probability of choosing an orange?
    1/5
    1/2
    4/10
    6/10
    300s
  • Q12
    A bag contains 100 marbles, 37 red and 63 purple. Suppose a student without looking chooses a marble out of a bag. They record the color and then put the marble back into the bag. Students recorded 9 red marbles and 11 purple marbles. What is the probability that the next marble they choose is red?
    9/100
    63/100
    37/100
    2331/10000
    300s

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