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Chapter 5 - Assignment 1With this assignment we will work with Discrete Probability Distributions. You should review the rules in your text for finding the mean/Expected value, variance and standard deviation. The template provided will allow you to enter the data and see how the columns are formed and summed. You can then use the results to respond to the questions. Chapter 5 - Assignment 1Problem 5-1 Compute the mean and variance of the following probability distribution. Explain what the data and probability of each “x” represents and how it relates to a probability distribution?x P(x)5 .110 .315 .220 .4Problem 5-2: The information below is the number of daily emergency service calls made by thevolunteer 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 CallsFrequency081102223941Total501.Convert this information on the number of calls to a