(25 points) The information below is the number of daily emergency calls made to the Central Fire Station in downtown Chicago for the last 50 days. To explain, there were 20 days on which there were two hundred emergency calls, and 8 days were there were 300 emergency calls. Number of Calls Frequency 50 6 100 14 200 20 300 8 400 2 Total 50 a. Convert this information on the number of calls to a probability distribution. b. Is this an example of a discrete or continuous probability distribution? c. What is the mean number of emergency calls per days? d. What is the standard deviation of the number of calls made daily