Answer: B 56
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:
There are no other decimals for -9/4 other than -2.25.
Step-by-step explanation:
?
The answer to the question is 2544
Answer:
7/2
Step-by-step explanation:
First get daily:
15/30 = 1/2
Then weekly:
1/2 x 7 = 7/2