Simple Probability

Front

What is probability?

Back

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

Front

What is the probability of flipping a coin and getting heads?

Back

1/2

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 theoretical probability of pulling a red marble from a bag with 3 red, 2 blue, and 4 yellow marbles?

Back

1/3

Front

What is the probability of rolling an even number on a six-sided die?

Back

1/2

Front

What does P(not A) represent in probability?

Back

P(not A) represents the probability that event A does not occur.

Front

If a bag contains 5 marbles (3 red, 2 blue), what is the probability of picking a blue marble?

Back

2/5

Front

What is the probability of drawing a black marble from a bag that contains no black marbles?

Back

0 (impossible).

Front

What does it mean if an event is 'certain'?

Back

It means the event will definitely happen, with a probability of 1.

Front

What does it mean if an event is 'impossible'?

Back

It means the event cannot happen, with a probability of 0.