System Design · Meta · Easy
Your job is to decide whether a group call should have an upper limit on how many participants can join. During the past 28 days, the estimated preferred participant counts were distributed as follows: Desired participants Number of calls 3 800 4 500 5 260 6 160 7 120 8 80 9 20 10 10 The total number of calls represented here is 1,950. A quality-of-service (QoS) model assigns a mean opinion score according to the participant count $$s$$: $$\text{MOS}(s)=4.5-0.1(s-2)$$ The…
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