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Based on past results found' In the Information Piease Afmanac there Is a O. 1919 probability that a baseball World Series will last four games, a O. 2121 probability that it will last five games, a 0.2223 probability that it will last six games, and a 0.3737 probability that it will last seven games. a. Does the given information describe a probability distribution? Explain. b. Assuming that the given information describes a probability distribution, find the mean and standard deviation for the number of games in World Series, including units. ' Scores on the Quantitative Reasoning portion of the Graduate Record Exam (GRE) are Normally distributed with a mean of 153 points and a standard deviation of 7.6? points. Define, draw and label a Normal curve and use Onlinestatbook to find the cutoff score required to be in the 90"1 percentile. _ l'ree diameters in a plot of land are normally distributed with a mean of 14 inches and a standard deviation of 3.2 inches. Define, draw a label a Normal curve and find the answers using Onlinestatbook. (You only need to fully label the rst drawing} a. What is the probability that an individual tree has a diameter between 13 inches and 16.3 inches? b. What is the probability that an individual tree has a diameter less than 12 inches? c. What is the probability that an individual tree has a diameter of at least 15 inches? cl. Find the cutoff values for the middle 50% of tree diameters, including units. {Show your probability statements and use Onlinestatbookl