Unit 8 Probability Review

Front

How many different ways can you arrange five books on a shelf?

Back

120

Front

There are 18 people running in a cross country race. How many possible ways are there to place the runners in first, second, and third?

Back

4,896

Front

What is a list of all possible outcomes called?

Back

Sample space

Front

What do you call an event that consists of two or more events?

Back

Compound event

Front

How many different teams of four can be produced from a pool of 12 engineers?

Back

495

Front

What is the formula for permutations of n items taken r at a time?

Back

n! / (n - r)! (where n is the total items and r is the items to arrange)

Front

What is the formula for combinations of n items taken r at a time?

Back

n! / (r!(n - r)!) (where n is the total items and r is the items to choose)

Front

Define '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 the difference between independent and dependent events?

Back

Independent events do not affect each other's outcomes, while dependent events do.

Front

What is an example of a compound event?

Back

Rolling a die and flipping a coin.