The number of content changes to a Web site follows a Poisson distribution with a mean of 1 content change every 4 days. What is the probability of a content change within two days? What is the probability of two or fewer changes in one week? a. 0.3033, 0.9856 b. NONE O c. 0.3033, 0.7440 d.0.3679, 0.9197

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