2.For the following set of scores, fill in the cells. The mean is 74.13 and the standard deviation is 9.98.Raw scoreZ score68.0??–1.682.0??1.869.0??–0.585.0??1.772.0?3.Questions 3a through 3d are based on a distribution of scores with and the standard deviation = 6.38. Draw a small picture to help you see what is required.a.What is the probability of a score falling between a raw score of 70 and 80?b.What is the probability of a score falling above a raw score of 80?c.What is the probability of a score falling between a raw score of 81 and 83?d.What is the probability of a score falling below a raw score of 63? 4.Jake needs to score in the top 10% in order to earn a physical fitness certificate. The class mean is 78 and the standard deviation is 5.5. What raw score does he need?
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