Understanding Probability Concepts

What is the theoretical probability of rolling a 3 on a standard six-sided die?

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CCSS.7.SP.C.7A

In a bag of 10 marbles, 4 are red and 6 are blue. What is the theoretical probability of drawing a red marble?

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CCSS.7.SP.C.7B

A coin is flipped 100 times and lands on heads 55 times. What is the experimental probability of getting heads?

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CCSS.7.SP.C.6

In a survey, 30 out of 50 people prefer chocolate ice cream. What is the experimental probability that a randomly selected person prefers chocolate ice cream?

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CCSS.7.SP.C.6

As the number of trials increases, what happens to the experimental probability of an event?

• It becomes less accurate.

• It remains the same.

• It becomes more accurate.

• It becomes unpredictable.

If you flip a coin 10 times and then 100 times, how does the experimental probability of getting heads change?

• It becomes less accurate with more trials.

• It becomes more accurate with more trials.

• It remains the same.

• It becomes zero.

What is the probability of rolling a 2 on a die and flipping a head on a coin?

What is the probability of drawing a heart from a deck of cards and then rolling a 4 on a die?

What is the probability of drawing two aces in a row from a standard deck of cards without replacement?

If you draw a king from a deck of cards and do not replace it, what is the probability of drawing another king?