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can you solve this ques… for me
A society needs to provide sufficient private trunks between 2 switches to accomodate 90% of call attempts among callers during the busy hour.Assume that there will be 560 callers at random times during that hour, and that call duration averaages 3 minutes.callers are instructed to attempt to call using a trunk; if blocked callers will use a more expensive company-issued calling card.how many trunks will be needed?
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