This week in school, there is a 75 percent probability of having a fire drill, a 50 percent probability of a tornado drill, and a 25 percent probability of having both drills. Let event F be a fire drill and event T be a tornado drill. Are the two events independent?

Question

Myah Fry

27 April, 20:59

+2

Answers (2)

Know the Answer?

Pierce Nelson · Answer 1

For E2020 users, the correct answer is A (No, because P (F ∩ T) ≠ P (F) • P (T).)

Sam Greer · Answer 2

No, because P (F ∩ T) does not equal P (F) · P (T)