Compute the fraction of time mary spends using her telephone

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Reference no: EM13307256

Mary has a telephone with two lines that allows her to talk with a friend and have at most one other friend on hold. On the average, she gets 10 calls every hour, and an average conversation takes 2 minutes. Assuming a single-server limited-capacity Bernoulli queuing process with 1-minute frames, compute the fraction of time Mary spends using her telephone.

Reference no: EM13307256

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