Statistics - Chapter 4 Test

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

What is a sample space?

Back

A sample space is the set of all possible outcomes of a probability experiment.

Front

What is 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

How do you calculate the probability of drawing a specific card from a standard deck?

Back

The probability is calculated as the number of that specific card divided by the total number of cards in the deck (52).

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2.

Front

What is a Venn diagram?

Back

A Venn diagram is a visual representation of the relationships between different sets, showing how they overlap.

Front

How do you find the probability of multiple independent events occurring?

Back

Multiply the probabilities of each individual event.

Front

What is conditional probability?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred.

Front

What is the formula for calculating the probability of the union of two events?

Back

P(A or B) = P(A) + P(B) - P(A and B) where A and B are two events.

Front

What does it mean if an event is certain?

Back

If an event is certain, its probability is 1, meaning it will definitely occur.