THE LIN FAMILY HAS A FISH WITH DIFFERENT COLORS OF FISH . THERE ARE 7 BLUE FISH 4 GREEN FISH ,AND 4 YELLOW WHAT IS THE RATIO OF
1 answer:
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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 =
=