Q.3 (25%): The national test determined the Academic University Entry. With a mean of 500 and a standard deviation of 100 the scores on this test are normally distributed. Ahmed wants to be admitted to this university and he knows that he must score better than at least 70% of the students who took the test. Ahmed takes the test and scores 585, Will he be admitted to this university? What is the minimum amount of scores required to be admitted to this university?

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Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.