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Statistics for Data Science II, Quiz 1

January 2025 term, 23 Feb 2025, Set QDD2

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Figure from the original question paper Figure from the original question paper A call center analyst monitors the number of calls received at the centre daily. Let *X* denote the number of calls received in a day. Using Markov’s inequality, the analyst determines an upper bound of 0.48 on the probability of receiving more than 249 calls. Calculate the mean of *X*.