What is the standard deviation of the number of calls made

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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 on which there were 2 emergency calls, and 9 days on which there were 3 emergency calls. Number of Calls Frequency 0 8 1 10 2 22 3 9 4 1 Total 50 Click here for the Excel Data File(a) Convert this information on the number of calls to a probability distribution. Number of Calls Probability 0 1 2 3 4 (b) Is this an example of a discrete or continuous probability distribution? (c) What is the mean number of emergency calls per day? (d) What is the standard deviation of the number of calls made daily?

Reference no: EM13149706

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