Probability

Front

What is Probability?

Back

The chance that some event will occur.

Front

What is the sample space?

Back

The set of all possible outcomes of an experiment.

Front

What is Experimental Probability?

Back

What actually happens in an experiment.

Front

What is the formula for calculating Probability?

Back

P(A) = Number of favorable outcomes / Total number of outcomes.

Front

If a bag contains 4 red candies and 6 green candies, what is the probability of selecting a red candy?

Back

P(red) = 4/(4+6) = 4/10 = 2/5.

Front

What does P(not A) represent?

Back

The probability that event A does not occur.

Front

If the probability of rain tomorrow is 0.3, what is the probability that it will not rain?

Back

P(not rain) = 1 - P(rain) = 1 - 0.3 = 0.7.

Front

What is a favorable outcome?

Back

An outcome that is considered successful for the event in question.

Front

In a dice roll, what is the probability of rolling a number greater than 4?

Back

P(greater than 4) = 2/6 = 1/3.

Front

What is a fair game in probability?

Back

A game where all outcomes have an equal chance of occurring.