Fun Math Probability

If the probability of an event is 0.25, what is the probability of its complement?

• 0.75

• 0.5

• 1.25

• 0.25

The results of an experiment of flipping a quarter are shown. The coin was flipped 90 times. What was the theoretical probability of flipping tails?

• 48%

• 52%

• 4%

• 50%

Which statement is true based on the information given.

• The experimental probability of landing on green is the same as the theoretical probability of landing on green.

• The experimental probability of landing on yellow is less than the theoretical probability of landing on yellow.

• The experimental probability of landing on purple is greater than the theoretical probability of landing on purple.

• The experimental probability of landing on red is equal to the theoretical probability of landing on red.

A student has a box of crayons that are all in perfect condition. The box has 3 purple, 5 red, 2 blue, and 2 green. The student conducts two experiments: EXPERIMENT 1 - WITH REPLACEMENT EXPERIMENT 2 - WITHOUT REPLACEMENT Which statement is true if she wanted to know the probability of picking a purple then a green crayon?

• The independent probability is greater that the dependent probability

• The dependent probability is greater than the independent probability.

• The independent and dependent probabilities are equal.

A box contains 3 red balls and 2 blue balls. If two balls are drawn at random, what is the probability that both are red?

A fair die is rolled twice. What is the probability of getting a sum of 9?

What is the probability of rolling a 6 on a fair six-sided die?

A certain event is an event...

• that has a probability of 1

• that is equally likely to occur

• that shows all results

• that almost always happens

If the sum of the probabilities of all possible outcomes of an event is 1, what is the probability of an impossible event?

• 0

• 1

A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of drawing a blue marble?