The area of a right triangle with side lengths 7 and 7 is 
1-.8=.2
za/2=.2/2=.1
invNorm(.1)=1.28
Answer:
"125 callers" is the right answer.
Step-by-step explanation:
Given values:
Arrival calls rate,
= 25 per minute
Talking time,
= 4 minutes
Hold time,
= 1 minute
The flow time will be:
= 
= 
Flow rate,
= 
= 
By using the Little's law,
⇒ 
By substituting the values, we get


Thus the above is the correct approach.
Hi , the answers are
5.712 g - 5712 mg - 0.005712 kg