Simple and Compound Probability

Front

What is the definition of 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 simple probability?

Back

Simple probability refers to the probability of a single event occurring.

Front

What is a compound probability?

Back

Compound probability refers to the probability of two or more events occurring, which can be dependent or independent.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of drawing a purple marble from a bag containing 3 purple, 1 blue, and 1 yellow marble?

Back

Probability = 3/5.

Front

If one marble is drawn and not replaced, how does it affect the probability of drawing a second marble?

Back

The probability changes because the total number of marbles decreases.

Front

What is the probability of rolling a 7 on a single die?

Back

0, because a standard die has only numbers 1 to 6.

Front

What is the probability of spinning red if there are only red sections on a spinner?

Back

1, because it is certain to land on red.

Front

What is the probability of choosing a letter that is not 'A' from the word 'ALGEBRA'?

Back

5/7.

Front

What does it mean for events to be independent?

Back

Independent events are those where the outcome of one event does not affect the outcome of another.