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 cannot happen and 1 means the event is certain.

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 selecting a brown candy from a bowl with 4 yellow, 6 orange, 3 green, 5 blue, and 2 brown candies?

Back

1/10

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign. For example, 0.02 becomes 2%.

Front

What is experimental probability?

Back

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

Front

What is theoretical probability?

Back

Theoretical probability is the probability calculated based on the possible outcomes in a perfect scenario, without conducting any experiments.

Front

What is the probability of rolling a 15 with a pair of dice?

Back

Impossible.

Front

If a coin is flipped 18 times and lands on heads 6 times, what is the experimental probability of getting heads?

Back

1/3.

Front

What is a spinner in probability?

Back

A spinner is a circular object divided into sections, each representing a possible outcome. When spun, it can land on any of the sections.

Front

What does it mean if an event is 'unlikely'?

Back

An event is considered 'unlikely' if its probability is less than 0.5 but greater than 0.