Simple Probability Flashcard

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of picking a red pen from a jar containing 10 black pens, 15 blue pens, and 5 red pens?

Back

Front

What does it mean if the probability of an event is 0?

Back

It means the event is impossible and will not occur.

Front

What does it mean if the probability of an event is 1?

Back

It means the event is certain and will definitely occur.

Front

Back

Front

What is the probability of picking a marble that is NOT orange from a bag containing 2 black, 4 orange, and 5 purple marbles?

Back

Front

What is experimental probability?

Back

Experimental probability is the probability based on the actual results of an experiment, calculated as (Number of successful outcomes) / (Total number of trials).

Front

What is the probability of rolling a number LESS THAN 4 on a die?

Back

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.