Probability Flashcard

Front

What is an outcome in probability?

Back

An outcome is one of the possible results of an experiment, such as rolling a die.

Front

What does it mean if an event is probable?

Back

If an event is probable, it means that it is likely to happen.

Front

What is the probability of rolling a 5 on a standard die?

Back

1/6

Front

How do you calculate P(not A)?

Back

P(not A) = 1 - P(A). For example, if P(A) = 1/4, then P(not A) = 3/4.

Front

What is the likelihood of choosing a penny from a wallet with 4 quarters, 10 dimes, and 3 nickels?

Back

It is impossible to choose a penny because there are no pennies in the wallet.

Front

Define probability.

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes from an experiment.

Front

What does it mean if an event is impossible?

Back

An impossible event is one that cannot happen, with a probability of 0.

Front

What is the probability of drawing a red marble from a bag containing 3 red and 7 blue marbles?

Back

The probability is 3/10.

Front

If you flip a coin, what is the probability of getting heads?

Back

The probability is 1/2.