Probability Flashcard 1 Review

Front

What is the probability that an event does not occur called?

Back

Complement

Front

What is the range of valid probabilities?

Back

All probabilities must be between 0 and 1.

Front

What must the sum of all probabilities in a probability model equal?

Back

1

Front

If A = drawing a heart, what is P(A)?

Back

13/52

Front

What is experimental probability?

Back

What actually happens.

Front

What is theoretical probability?

Back

What we expect to happen.

Front

What does it mean if two events are disjoint?

Back

They cannot occur at the same time.

Front

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

Back

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

Front

What is the complement of an event A?

Back

The probability that event A does not occur.

Front

If the probability of rain is 30%, what is the probability that it will not rain?

Back

70%.