Answer:
(-1,0)
Step-by-step explanation:
3(-1)+3(0)=-3
-3+0=-3
-3=-3
-2(-1)+(0)=2
2+0=2
2=2
Answer:
Probability that both such alarms fail is 0.03027
Step-by-step explanation:
Probability the alarm fails = 0.174 (this is calculated by dividing the percentage by 100 like: 17.4/100)
Probability that both such alarms fail = 0.174 * 0.174 = 0.03027
2 X $1150 + $1049.34 = $3,349.34
Total cost= $3,349.34