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4. A man had three soon-to-be sixteen years old triplet boys: Albert, Bob, and Charlie. One evening. when all three boys had an exam at school the next day, the father told them, "Whoever does the best tomorrow on his exam will get a new car for his sixteenth buthday present. whoever does second-best will get a new PlayStation, and whoever does worst will have to do his brothers' laundry for a year. Three days later all three boys brought their graded exams home. Class Class Mean Class Standard Deviation Child's Score Art Albert's score - 8 Biology 5 8 8 Bob's score - 66 Chinese Charlie's score - 88 The father awarded their birthday presents according to how each boy did relative to his classmates. Fill in the following table with each boy's 7-score and birthday present (use 2 decimal places for your z-scores). Boy Z-Score Birthday Present Albert Bob Charlie