Lesson Worksheet: Operations on Events Mathematics • 10th Grade
In this worksheet, we will practice finding the probabilities of the complement, intersection, and union of events.
Q6:
A group of 68 school children completed a survey asking about their television preferences. The results show that 43 of the children watch channel , 26 watch channel , and 12 watch both channels. If a child is selected at random from the group, what is the probability that they watch at least one of the two channels?
- A
- B
- C
- D
- E
Q7:
and are two events in a sample space of a random experiment and . The probability that at most one of or occurs is 0.56. The probability that at least one of or occurs is 0.68. Find the probability that occurs OR does not occur.