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Simple Probability Review

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  • What is the probability of NOT spinning green?
    5/6
  • Is rolling two number cubes a simple event or not a simple event?
    Not a simple event
  • What is the probability of spinning red or blue?
    2/6 = 1/3
  • What is the probability of rolling a number less than 4 on a standard number cube?
    3/6 = 1/2
  • What is the complement of I play soccer?
    I don't play soccer.
  • What is the probability of rolling a 6 on a standard number cube?
    1/6
  • What is the complement of my favorite type of music is country?
    My favorite type of music is not country.
  • A number cube is rolled 21 times and lands on 1 seven times. Find the experimental probability of NOT landing on a 1.
    14/21 = 2/3
  • What is the probability of NOT rolling a 4 on a standard number cube?
    5/6
  • What is the probability of spinning green or blue?
    4/8 = 1/2
  • Is picking a red and a green sour patch kid out of a bag of candy a simple event or not a simple event?
    Not a simple event
  • The spinner was spun 30 times and landed on grey 3 times. Find the experimental probability of landing on grey.
    3/30 = 1/10
  • The spinner was spun 30 times and landed on grey 3 times. Find the experimental probability of NOT landing on grey.
    27/30 = 9/10
  • A number cube is rolled 21 times and lands on 1 seven times. Find the experimental probability of landing on a 1.
    7/21 = 1/3
  • Is picking one starburst from a pack of starburst a simple event or not a simple event?
    Simple Event