Unit 8 Probability and Algebra Review

Front

What is probability?

Back

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

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) without an equal sign.

Front

What is an equation in mathematics?

Back

An equation is a mathematical statement that asserts the equality of two expressions, containing an equal sign.

Front

How do you calculate the probability of an event?

Back

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

Front

What is a tree diagram?

Back

A tree diagram is a visual representation of all possible outcomes of an event, branching out from a starting point.

Front

If a coin is tossed twice, how many possible outcomes are there?

Back

There are 4 possible outcomes: HH, HT, TH, TT.

Front

What does 'certain' mean in probability?

Back

'Certain' means that an event will definitely happen, with a probability of 1.

Front

What does 'impossible' mean in probability?

Back

'Impossible' means that an event cannot happen, with a probability of 0.

Front

What does 'likely' mean in probability?

Back

'Likely' means that an event has a high chance of occurring, with a probability greater than 0.5.

Front

What does 'unlikely' mean in probability?

Back

'Unlikely' means that an event has a low chance of occurring, with a probability less than 0.5.