Which of the following statements about an event A are true

Which of the following statements about an event A are true? The probability that the event A will occur can be less than 0. The probability that the event A will occur can be equal to 1. The sum of the probability that event A will occur and the probability that event A will not occur is equal to 1. II only I and II only II and III only I, II, and III

Solution

Option C is correct