Question
The average number of customers in a group is .
Answer: Option C
:
C
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C
Total no. of customers who come in groups = (80 + 50 + 28 + 30 + 100 + 72) = 360
Total no. of bills issued for groups of customers = (230 - 210) + (130 - 120) + (57 - 50) + (70 - 60) + (200 - 180) + (154 - 130) = 81
Therefore, Avg. no.customer in a group =(36091)=4(approx)
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