Probability

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

What is the probability of flipping a tail on a fair coin?

Back

1/2

Front

If you flip a coin three times, what is the total number of possible outcomes?

Back

2^3 = 8 possible outcomes.

Front

What is the probability of getting all tails when flipping a coin three times?

Back

1/8

Front

What does 'P(A and B)' represent in probability?

Back

It represents the probability that both events A and B occur.

Front

What does 'P(A | B)' mean?

Back

It represents the probability of event A occurring given that event B has occurred.

Front

What is the complement of an event?

Back

The complement of an event A is the event that A does not occur, denoted as A'.

Front

If the probability of an event A is 0.3, what is the probability of its complement?

Back

0.7 (since P(A') = 1 - P(A)).

Front

What is a sample space in probability?

Back

The sample space is the set of all possible outcomes of a probability experiment.

Front

What is the formula for calculating the probability of an event?

Back

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