1) According to Medscape, the mean number of days of those who developed symptoms from Covid 19, was 11.5 days, with a standard deviation of 3, and the data is normally distributed. 5 pts each a) Find the probability that an individual developed symptoms between 10 and 12 days. b) If 200 symptomatic people are selected, about how many would you expect to have developed symptoms between 10 and 12 days. Use your answer from part a