pls help , thx

Task 1: Directions: Given below is the histogram of a probability distribution of discrete random variable X. Examine the graph and answer the following. Histogram 0,3 0,2 0,1 Probability of X POX 0 1 2 3 Values of X 1. Does the graph represent a probability distribution? Explain your answer. 2. Estimate the mean. Explain your answer. 3. Compute the actual mean. 4. Tell whether the distribution has a small or large variance. Explain your answer. 5. Compute the actual variance and standard deviation