Please answer all 5 parts of the question: The average weight of polar bears is 1,100 pounds with a standard deviation of 192. Brown bears have an average weight of 950 pounds with a standard deviation of 122. a. A polar bear at a zoo weighs 1,125 pounds. Calculate the corresponding Z-score. b. A brown bear at a zoo weighs 1,050 pounds. Calculate the corresponding Z-score. c. Relative to its species, which bear weighs more? Why? d. Approximately 95% of polar bears will weigh between and e. The heaviest polar bear weight ever recorded was over 2,000 pounds. Would this be considered unusual? Why or why not?