Probability Unit Review

Front

What is the probability of selecting an E from the letters in the word 'SEPTEMBER'?

Back

1/3

Front

How many different passwords can be created with 3 letters followed by 2 digits?

Back

1,757,600

Front

What is the probability of selecting two solid socks from a drawer containing 5 solid and 2 striped socks?

Back

10/21

Front

How many different combinations can Kimberly choose if she uses three different colors from seven colors of lanyards?

Back

35

Front

What method would you use to determine how many ways Ashlyn can choose three pies from eight available pies?

Back

Combination

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 a permutation?

Back

A permutation is an arrangement of objects in a specific order.

Front

What is a combination?

Back

A combination is a selection of items without regard to the order in which they are selected.

Front

Explain the counting principle in probability.

Back

The counting principle states that if one event can occur in 'm' ways and a second can occur independently in 'n' ways, then the two events can occur in m*n ways.

Front

What is the formula for calculating combinations?

Back

C(n, r) = n! / (r!(n - r)!) where n is the total number of items, and r is the number of items to choose.