5. FILE The information below is the number of daily emergency service calls made by the volunteer ambulance service of Walterboro, South Carolina, for the last 50 days. To explain, there were 22 days when there were two emergency calls, and 9 days when there were three emergency calls. Number of Calls Frequency O - 10 22 9 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 probability that three or more calls are made in a day? d. What is the mean number of emergency calls per day? e. What is the standard deviation of the number of calls made daily