Question: A certain internet troll makes harassing posts to Reddit at an average rate (> ) of about 18 per hour. a. What is the

A certain internet troll makes harassing posts to Reddit at an average

A certain internet troll makes harassing posts to Reddit at an average rate (> ) of about 18 per hour. a. What is the probability that 10 or fewer posts will be put up in the next hour? b. What is the probability that more than 12 posts will be put up in the next hour? c. About how many posts can be expected in three hours? the uncertainty? What is d. What is the probability of between 120 and 130 posts appearing in the next seven hours?

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