Simple Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1, where 0 means the event will not happen and 1 means it will definitely happen.

Front

What is experimental probability?

Back

Experimental probability is the probability determined by conducting an experiment and observing the outcomes. It is calculated as the number of times an event occurs divided by the total number of trials.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of getting heads when tossing a fair coin?

Back

Front

If a coin is tossed 18 times and lands on heads 12 times, what is the experimental probability of tails?

Back

Front

What is the probability of rolling a number greater than 1 on a single die?

Back

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 8?

Back

The probability of spinning an even number is 50%.

Front

If there are 5 balloons in a bag (2 green, 3 red), what is the probability of choosing a green balloon?

Back

Front

What is the probability of spinning a letter D if the spinner has letters A, B, C, and E?

Back

The probability is 0, as D is not on the spinner.

Front

What is the total number of outcomes when rolling a die?

Back

The total number of outcomes when rolling a die is 6.