Answer:
8
Step-by-step explanation:
8 × $70 = $560
20 × $140= $2800
$560 + $2800 = $3360
Answer: The system will succeed when the first alarm rings or when the first one fails, but the second one rings. The probability of this is 0.98
The probability of system failure is 1-(probability of success)= 1-0.98= 0.02
D
1. a (100% - 3% = 97%)
2. b (Triples ⇒ *3)
3. c (100% + 3% = 103%)
