Probability Rules

Front

What is the probability of rolling an even number or a multiple of 3 on a single die?

Back

2/3

Front

If the probability of it raining today is 30%, what is the probability that it will NOT rain?

Back

70%

Front

What is the probability of rolling any single face of a balanced die?

Back

1/6, or 0.167.

Front

What is the probability of drawing one ace after another ace from a standard deck of cards without replacement?

Back

1/221

Front

Are the events of choosing a king or a black card in a standard deck of cards mutually exclusive?

Back

Non Mutually Exclusive

Front

Define 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 formula for calculating the probability of an event?

Back

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

Front

What does it mean if two events are mutually exclusive?

Back

Two events are mutually exclusive if they cannot occur at the same time.

Front

What is the probability of rolling a number greater than 4 on a single die?

Back

1/3 (only 5 and 6 are greater than 4).

Front

What is the complement of an event in probability?

Back

The complement of an event A is the event that A does not occur, denoted as A'. The probability of A' is 1 - P(A).