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This Test: 110 pts possible Submit Te Consider the probability distribution shown here. Complete parts a through c. - 4 -3 - 2 - 1 p(x) 0.02 0.03 0.11 2 0.15 D.26 0.18 0.11 a. Calculate u, o', and a. u=(Round to two decimal places as needed.) of = (Round to four decimal places as needed.) a =(Round to three decimal places as needed.) b. Graph p(x). Locate u, u - 20, and u + 20. Choose the correct graph below OA OB OC OAT Q 02 02 Q 11-20 1- 25 1 1$ 20 1-28 p+ 20 c, What is the probability that x is in the interval u 4 25? (Found to two decimal places as needed.)