According to the Arendale Health Department, the average number of cases of influenza-like illness in Arendale during winter is 50 per 100,000 population, with a standard deviation of 10. The population of Arendale is estimated to be 500,000. The royal physician has reported that he has diagnosed 300 cases of the mysterious illness in Arendale since the coronation, which was two weeks ago. He has also received reports from other health care providers and hospitals that confirm his findings. The Arendale health department commonly uses a ratio value (R) > 1.5 to confirm the existence of an outbreak/epidemic. The Arendale Tourism Board has reported that there were 100,000 visitors in Arendale during the coronation week, which is 20% higher than the usual number of visitors in winter. The Arendale Meteorological Service has reported that the average temperature in Arendale during the coronation week was -10C, which is 5C lower than the normal temperature in winter. The Arendale Magic Research Institute has reported that the magic level in Arendale has increased by 50% since Queen Elsa's coronation, and that the magic is concentrated around the castle and the ice palace. a) How would you estimate the expected number of cases of