Numerical - BHCR for given BHCA, CCR & No. of users

Q.  If a telephone exchange serves 1500 users with the average BHCA of about 9000 and CCR is about 50%, what would be the busy hour calling rate?
- Published on 18 Nov 15

a. 2
b. 3
c. 4.5
d. 5

ANSWER: 3

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