Lesson Worksheet: Complementary Events Mathematics • 10th Grade
In this worksheet, we will practice finding the probability of complementary events.
Q7:
In a music class, students learn to play the piano, the guitar, and the drums. Some students play 2 instruments, some play all 3 instruments, and some play none of the instruments. Let denote those who play the piano, those who play the guitar, and those who play the drums.
Using the given diagram, calculate the probability that a student does not play the piano.
- A
- B
- C
- D
- E
Q10:
The table shows the percentage of flights which arrived on time at several airports. If a flight due to land at Baltimore Airport (MD) is randomly selected, determine the probability that the flight will NOT arrive on time, expressing your answer as a percent, a decimal, and a fraction.
Airport | El Centro (CA) | Baltimore (MD) | Charleston (SC) | Islip (NY) | Milwaukee (WI) |
---|---|---|---|---|---|
Percentage of On-time Arrivals |
- A, 0.39,
- B, 0.4,
- C, 0.6,
- D, 0.61,
- E, 0.71,