Basic Theoretical Probability

Front

What is the probability of an event that is absolutely impossible?

Back

0%

Front

What is the probability of an event that is absolutely certain?

Back

100%

Front

If you have a jar with 4 blue, 8 red, and 2 green marbles, what is the theoretical probability of choosing a red marble?

Back

\frac{8}{14} or \frac{4}{7}

Front

What is the probability of spinning a green section on a spinner divided into 4 equal parts, one of which is green?

Back

\frac{1}{4}

Front

What is the probability of spinning an even number on a spinner divided into 4 equal parts, two of which are even?

Back

50%

Front

Define theoretical probability.

Back

Theoretical probability is the ratio of the number of favorable outcomes to the total number of possible outcomes.

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes)

Front

If a spinner has 3 sections: red, blue, and green, what is the probability of landing on blue if each section is equal?

Back

\frac{1}{3}

Front

What does it mean if an event has a probability of 0.5?

Back

It means there is an equal chance of the event occurring or not occurring.

Front

In a standard deck of cards, what is the probability of drawing a heart?

Back

\frac{13}{52} or \frac{1}{4}