Probability Concept

It is the measure or estimation of how likely an event will occur.

• Experiment

• Event

• Probability

• Outcome

It is the set of all possible outcomes in an experiment.

• Event

• Experiment

• Outcome

• Sample Space

It is the well defined-results in an experiment.

• sample space

• outcome

• event

• sample

Probability can be written as ...

• a fraction

• a decimal

• a percent

• all of the above

The probability of getting a '7' when you roll a die.

• 0

• 0.25

• 0.50

• 1

Leigh was asked to pick two cards from a standard deck of playing cards. She picked a King of hearts and an ace of spade.

What is the experiment in the given situation?

• Picking king of hearts and an ace of spade

• Picking two cards from a standard deck of playing cards

• All the cards in a standard deck of playing cards

• Getting two different cards

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• impossible

• unlikely

• probable

Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. You flip a fair coin and the coin will land heads up.

• impossible

• unlikely

• even chance

• likely