Probability 8th

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 (impossible) and 1 (certain).

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 calculate the probability of a single event?

Back

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

Front

If a die is rolled, what is the probability of rolling a 3?

Back

The probability is 1/6, since there is one favorable outcome (rolling a 3) out of six possible outcomes.

Front

What is a sample space in probability?

Back

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

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes from a probability experiment.

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.

Front

What is the probability of selecting a green candle if there are 12 candles: 3 white, 2 red, and 7 green?

Back

The probability is 7/12, since there are 7 favorable outcomes (green candles) out of 12 total candles.

Front

What is the probability of selecting a blue candle if there are 12 candles: 3 white, 2 red, and 7 green?

Back

The probability is 0, since there are no blue candles.