Suppose that the hibernation time for black bears is normally distributed with mean 150 days and standard deviation 30 days. 12 randomly selected black bears are monitored. Round all answers to two decimal places. A. X-NO B. For the 12 black bears, find the probability that the average hibernation time is more than 170 days. C. What is the probability that one randomly selected black bear will hibernate longer than 170 days?

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