Question: 1. A recent study reports that the average time spent online is 7 hours per day. (a) What is the probability that time spent

1. A recent study reports that the average time spent online is

1. A recent study reports that the average time spent online is 7 hours per day. (a) What is the probability that time spent online tomorrow will exceed 12 hours? (4%) (b) If the variance of time spent on line per day is 16, what is the probability that time spent online tomorrow will be between 2 to 12 hours? (6%)

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