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please show work 2. (5 points) Suppose that at UNA, the average amount spent by students for cell phone service is $38.9 per month with

please show work
2. (5 points) Suppose that at UNA, the average amount spent by students for cell phone service is $38.9 per month with a standard deviation 3.64 per month. Consider a group of 44 randomly selected students. What is the probability that the mean amount of their monthly cell phone bills differs from the average for UNA by more than $1

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