A student's course grade is based on one midterm that counts as 5% of his final grade, one class project that counts as 20% of his final grade, a set of homework assignments that counts as 45% of his final grade, and a final exam that counts as 30% of his final grade. His midterm score is 75, his project score is 91, his homework score is 85, and his final exam score is 65. What is his overall final score? What letter grade did he earn (A, B, C. D, or Fy? Assume that a mean of 90 or above is an A. a mean of at least 80 but less than 90 is a B, and so on. His overall final score is (Type an integer or a decimal rounded to one decimal place as needed.) His letter grade is

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.