What 2 numbers add up to be 6 but multiply together to be 4?
2 answers:
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Answer:
The correct answer is:
Step-by-step explanation:
The given values are:
Service time varies,
Repair time = 2 hours
Standard deviation = 1.5 hours
Robotics uses per hour cost,
= $35
Company's cost per hour,
= $28
(a)
⇒ Arrival rate = Jobs per hours
then,
=
=
The jobs per hour will be:
⇒
(b)
⇒ Service rate = jobs per hour
then,
μ =
=