The chance that an office's sprinkler system will fail is 20%; the chance that its alarm system will fail is 10%; and the chance that both will fail is 4%. What is the chance that either the sprinkler or the alarm system will fail?

A) 26%

B) 30%

C) 34%

D) 45%

Question

Guest

9 February, 22:49

+2

Answers (1)

Know the Answer?

Kenneth Fuller · Answer 1

The answer is b

Step-by-step explanation:

20+10=30

The chance that an office's sprinkler system will fail is 20%; the chance that its alarm system will fail is 10%; and the chance that both will fail is 4%. What is the chance that either the sprinkler or the alarm system will fail?A) 26%B) 30%C) 34%D) 45%