Answer:$56 for 4 adults & 8 students
Step-by-step explanation: so you would do 8*4 then add it to 6*4= 24+32=$56
Answer:
b. 3
Step-by-step explanation:
Answer:
i dont get what u mean?
Step-by-step explanation:
Answer:
Mean, E(x) = 0.17
Variance, V(x) = 0.12
Step-by-step explanation:
90% contains no defective bulbs, P(X=0) = 0.9
5% contain one defective bulbs, P(X=1) = 0.05
3% contain two defective bulbs, P(X=2) = 0.03
2% contain three defective bulbs, P(X=3) = 0.02
The mean for the number of defective bulbs:

Variance for the defective bulbs:

V(x) = 0.29 - 0.17
V(x) = 0.12
Answer:
is 121 ........
Step-by-step explanation:
Hope this help