A study of fish is being conducted in a pond. They marked 30 fish and released them. The next day, they counted 75 fish, 25 of t
1 answer:
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Answer:
The appropriate solution is:
(1) 22.81 minutes
(2) 0.171
Step-by-step explanation:
According to the question, the values will be:
The service rate of guess will be:
=
=
The mean arrival rate will be:
The mean service rate will be:
(1)
The average time a cab must wait will be:
⇒
⇒
⇒
⇒
(2)
The required probability will be:
⇒
⇒
⇒