Two Way Frequency Tables and Conditional Probability

Front

What is a two-way frequency table?

Back

A two-way frequency table is a statistical tool that displays the frequency of different outcomes in two categorical variables, allowing for the analysis of the relationship between them.

Front

What is conditional probability?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred, denoted as P(A|B).

Front

How do you calculate the probability of an event?

Back

The probability of an event is calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

What does it mean if two events are independent?

Back

Two events are independent if the occurrence of one event does not affect the probability of the other event occurring.

Front

What does it mean if two events are dependent?

Back

Two events are dependent if the occurrence of one event affects the probability of the other event occurring.

Front

How do you find the probability of drawing two items without replacement?

Back

To find the probability of drawing two items without replacement, multiply the probability of the first draw by the probability of the second draw given the first.

Front

What is the total number of outcomes when rolling two dice?

Back

The total number of outcomes when rolling two dice is 36, as each die has 6 faces (6 x 6 = 36).

Front

How do you interpret a two-way table?

Back

A two-way table can be interpreted by analyzing the frequencies and calculating probabilities to understand the relationship between the two categorical variables.

Front

What is the formula for conditional probability?

Back

The formula for conditional probability is P(A|B) = P(A and B) / P(B), where P(A and B) is the probability of both events occurring.

Front

What is the probability of selecting a specific item from a set?

Back

The probability of selecting a specific item from a set is calculated as 1 divided by the total number of items in the set.