CBEST Probability Topics — practice questions
17 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBEST Probability Topics in the app →In probability, the set of all possible outcomes of an experiment is called what?One fair six-sided die is rolled once. What is the probability of getting a four?Two events that cannot happen at the same time are described as what?The chance of an event plus the chance of its complement always adds to what?When each item picked is put back before the next pick, the two picks are what?Two events are mutually exclusive. How do you find the chance that one or the other happens?Which statement is true when two events are independent?What does the law of large numbers say happens as an experiment is repeated more and more?In a sample of 755 drivers, 305 use a cell phone while driving. Roughly what share is that?A fair coin is tossed twice. How many outcomes are in the sample space?Carlos scores on 65 percent of his shots, and is 90 percent likely to score his second given he scored his firCarlos scores each of two attempts with chance 0.65, and scores both with chance 0.585. What is the chance he In a class, 60 percent are female and 50 percent have long hair. If those two facts were independent, what shaAn urn holds 3 red and 8 blue balls. Two are drawn one at a time with replacement. How many outcomes are in thThree red and eight blue balls sit in an urn, and two are drawn with replacement. In how many of the outcomes A bag holds four green, three red and two yellow marbles. Two are drawn without replacement. Once a yellow is A fair die is rolled. Event A is an even face and event B is a face below four. Given that the face is below f