QUESTION 4 a) It is now known the average rate of infection from the spread of corona virus endemic in a certain city daily is 2. Assume a suitable distribution to model the process. (E;4) b) Based on your model estimate the probability that 3 people will infected in the next two days. (CR;6) c) Find the mean and standard deviation of the number of infections in the past three days. (UN;6) d) During data presentation there are three key issues to consider. Explain the relevance of each of these three issues stating an application for each in the engineering field. E(9)