12/10/24 AP Statistics Unit 4 Flashcard

Front

What is the definition of sample space in probability?

Back

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

Front

What is the sample space for rolling a fair six-sided die?

Back

1, 2, 3, 4, 5, 6

Front

List the sample space for flipping two coins.

Back

HH, HT, TH, TT

Front

What does the intersection of two events represent?

Back

The intersection represents the outcomes that are common to both events.

Tags

CCSS.HSS.CP.A.1

Front

What is the general addition rule in probability?

Back

P(A or B) = P(A) + P(B) - P(A and B)

Tags

CCSS.HSS.CP.B.7

Front

If P(A) = 0.4 and P(B) = 0.3, what is P(A and B) if they are independent?

Back

P(A and B) = P(A) * P(B) = 0.4 * 0.3 = 0.12

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

What is the probability of an event that is certain to happen?

Back

1 (or 100%)

Tags

CCSS.7.SP.C.5

Front

What is the probability of an event that is impossible?

Back

0 (or 0%)

Tags

CCSS.7.SP.C.5

Front

What does 'P(A or B)' mean in probability?

Back

It represents the probability that either event A occurs, event B occurs, or both occur.

Tags

CCSS.HSS.CP.B.7

Front

What is a fair die?

Back

A fair die is one where each face has an equal chance of landing face up.

Tags

CCSS.7.SP.C.7A