Lesson One: Probability

Question 1

Rule 1 of Probability: Probability of an event must be:

Answer 1

Greater than or equal to zero and less than or equal to one.

Question 2

Rule 2 of Probability:
The sum of the probabilities of all possible outcomes must equal:

Answer 2

One

Question 3

Rule 3 of Probability:
The probability that an event will not occur is:

Answer 3

One minus the probability that it will occur.