Probability and Statistics Flashcardizz

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.

Front

What is a statistical survey?

Back

A statistical survey is a method of collecting data from a group to understand characteristics or opinions.

Front

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

Back

An event is certain if it has a probability of 1, meaning it will definitely happen.

Front

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

Back

An event is impossible if it has a probability of 0, meaning it cannot happen.

Front

How do you calculate the probability of a single event?

Back

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

Front

What is a random experiment?

Back

A random experiment is a process that leads to one of several possible outcomes, where the outcome cannot be predicted with certainty.

Front

What is a sample space?

Back

The sample space is the set of all possible outcomes of a random experiment.

Front

What is the probability of flipping a coin and getting tails?

Back

The probability is 1/2, since there are two possible outcomes: heads or tails.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars to show the frequency of different categories.

Front

What is the mode in a set of data?

Back

The mode is the value that appears most frequently in a data set.