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Mathematics, 25.04.2020 02:10 SumayahAminaAnsari

A telephone call arrived at a switchboard at random within a one-minute interval. The switch board was fully busy for 35 seconds into this one-minute period. What is the probability that the call arrived when the switchboard was not fully busy

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A telephone call arrived at a switchboard at random within a one-minute interval. The switch board w...
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