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27) A sprinkler system inside an office building has two types of activation devices, D1 and D2, which operate independently.

27) A sprinkler system inside an office building has two types of activation devices, D1 and D2, which operate independently. When there is a fire, if either device operates correctly, the sprinkler system is turned on. In case of fire, the probability that D1 operates correctly is 0.95, and the probability that D2 operates correctly is 0.92. Find the probability that the sprinkler system will come on.
a. 0.788
b. 0.912
c. 0.874
d. 0.996
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Top Answer

Q30) a) 0.137 Q28) c) 0.93... View the full answer

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