Experimental and Theoretical Probability

Front

What is experimental probability?

Back

Experimental probability is the probability of an event based on the results of an experiment or trial. It is calculated by dividing the number of times an event occurs by the total number of trials.

Front

What is theoretical probability?

Back

Theoretical probability is the probability of an event based on the possible outcomes in a perfect world. It is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

How do you calculate the theoretical probability of landing on black if a spinner has 4 equal sections: red, blue, green, and black?

Back

The theoretical probability of landing on black is 1/4 or 25%.

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What is the theoretical probability of NOT landing on yellow if a spinner has 8 equal sections: 1 yellow and 7 others?

Back

The theoretical probability of NOT landing on yellow is 7/8.

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If a cup contains numbers 1 to 20, what is the theoretical probability of picking an even number?

Back

The theoretical probability of picking an even number is 1/2.

Front

What is the formula for calculating experimental probability?

Back

Experimental Probability = (Number of times the event occurs) / (Total number of trials)

Front

If you roll a die 6 times and get the number 1 once, what is the experimental probability of rolling a 1?

Back

The experimental probability of rolling a 1 is 1/6.

Front

What is the probability of rolling an odd number on a 6-sided die?

Back

The probability of rolling an odd number is 3/6 or 1/2.

Front

What is the probability of rolling an even number on a 6-sided die?

Back

The probability of rolling an even number is also 3/6 or 1/2.

Front

If you flip a coin, what is the theoretical probability of getting heads?

Back

The theoretical probability of getting heads is 1/2.