The national assessment of education progress is a nationwide assessment of students proficiency in nine subjects mathematics reading writing science arts civics economics geography and US history. The main and AEP assessments are conducted annually on samples of students from grades 48 and 12. Suppose in 1944 the US history scores for male students how to mean of 259 with a standard deviation of 33. Assume that the scores are normally distributed with the given mean in center deviation. The normal curve representing the distribute mission of score is Bill shaved of the single peek over