Problem 3. Hospital visits At a downtown hospital in a midsized Canadian city, suppose the weekly number of emergency visits is normally distributed with a mean of 850 visits and a standard deviation of 260 visits. For the upcoming week, nd the probability that the weekly number of emergency visits will be: a. at least 800 [4 marks] i. less than 700 [4 marks] j. at most 900 [4 marks] k. between 800 and 900 visits [4 marks]