Homework Help: working with data

Posted by mike on Sunday, February 24, 2008 at 4:45pm.

josephs final averages in science class are shown in the table below.

homework
% toward final grade-20%
average-93

quizzes
% toward final grade-20%
average-92

tests
% toward final grade-40%
average-85

final exam
% toward final grade-20%
average-?

what is the minimum score joseph can get on the final exam in order to receive at least 90 for his final grade?

working with data - economyst, Monday, February 25, 2008 at 2:12pm
.2*93 + .2*92 + .4*85 + .2*X >= 90. Solve for X.
working with data - Anonymous, Wednesday, May 2, 2012 at 1:55am
95

Answer this Question

Related Questions

MATH - In Marissa's Calculus course, attendance counts for 5% of the grade, ...
Business - Isabella is hoping to get an A on her college Algebra course. With ...
Math ave grade - a student scores 76,82,83 on the first three test, she has a 92...
statistics - In a large class, there were 220 students who wrote both the ...
math - An instructor counts homework as 1/3 of the student's grade and the ...
Stats - the final grade averages from a fictional graduate statistics class are ...
Business and math question - Isabella is hoping to get an A on her college ...
Statistics - 2. You are given the following data. Number of Absences Final Grade...
Statistic - Number of Absences Final Grade 0 93 1 93 2 77 3 68 4 65 5 54 - Find ...
Math - Homework grades are 5% of the overall grade. Lab work is 15% of the ...

For Further Reading

First Name:
School Subject:
Answer: