4.23 Mixed Probability Practice

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

How do you express probability as a fraction?

Back

Probability can be expressed as a fraction by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

What is the probability of an event that is certain to happen?

Back

The probability of an event that is certain to happen is 1.

Front

What is the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

How do you convert a probability to a percentage?

Back

To convert a probability to a percentage, multiply the probability by 100.

Front

What does it mean if the probability of an event is 0.5?

Back

If the probability of an event is 0.5, it means there is an equal chance of the event occurring or not occurring.

Front

What is a two-way table?

Back

A two-way table is a statistical table that displays the frequency distribution of variables, allowing for the analysis of the relationship between them.

Front

How do you find the probability of selecting a specific group from a two-way table?

Back

To find the probability of selecting a specific group, divide the number of individuals in that group by the total number of individuals represented in the table.

Front

What is the formula for calculating the probability of 'not' an event?

Back

The probability of 'not' an event is calculated as 1 minus the probability of the event occurring.

Front

What is the difference between independent and dependent events?

Back

Independent events are those whose outcomes do not affect each other, while dependent events are those where the outcome of one event affects the outcome of another.