Probability Concepts Quizizz

A fair six-sided die is rolled. What is the probability of rolling a number greater than 4?

A bag contains 3 red balls and 5 blue balls. If one ball is drawn at random, what is the probability that it is red?

Which of the following statements is true about the Law of Large Numbers?

• It states that as the number of trials increases, the experimental probability will exactly equal the theoretical probability.

• It states that as the number of trials increases, the experimental probability will get closer to the theoretical probability.

• It states that the probability of an event will always be 0.5 in the long run.

• It states that the probability of an event will decrease as the number of trials increases.

A coin is flipped three times. What is the probability of getting exactly two heads?

A standard deck of cards has 52 cards. What is the probability of drawing an Ace or a King?

A standard deck of cards has 52 cards. What is the probability of drawing a Heart or a Spade?

Which of the following is an example of independent events?

• Drawing two cards from a deck without replacement.

• Rolling a die and flipping a coin.

• Choosing two marbles from a bag without replacement.

• Selecting two students from a class without replacement.

Which scenario below illustrates independent events?

• Picking two socks from a drawer without replacement.

• Rolling two separate dice.

• Drawing two balls from a box without replacement.

• Choosing two books from a shelf without replacement.

If a fair coin is flipped 100 times, what does the Law of Large Numbers suggest about the number of heads?

• It will be exactly 50.

• It will be close to 50.

• It will be exactly 100.

• It will be close to 100.

A jar contains 4 red, 3 green, and 5 blue marbles. If one marble is drawn at random, what is the probability that it is not blue?