Probability with 2-way tables & Venn diagrams

Front

What is the probability of an event?

Back

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

Front

What is a 2-way table?

Back

A 2-way table is a statistical table that displays the frequency distribution of two categorical variables.

Front

What does a Venn diagram represent?

Back

A Venn diagram visually represents the relationships between different sets, showing how they overlap and interact.

Front

What is the formula for calculating probability?

Back

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

Front

What is an empty (or null) set?

Back

An empty set is a set that contains no elements, denoted by {} or ∅.

Front

What is a universal set?

Back

A universal set is the set that contains all possible elements for a particular discussion or problem.

Front

What is a disjointed set?

Back

Disjointed sets are sets that have no elements in common; their intersection is the empty set.

Front

What is the complement of a set?

Back

The complement of a set A includes all elements not in A, relative to a universal set.

Front

How do you find the probability of 'A or B'?

Back

P(A or B) = P(A) + P(B) - P(A and B).

Front

What is the probability of selecting a male student who does not play soccer if 33 out of 110 students fit this description?

Back

The probability is 33/110.