During the first year at a university that uses a 4-point grading system, a freshman took ten 3-credit courses and received one As, four Bs, three Cs, and two D.
Compute this student's grade point average.
__________
Let the random variable X denote the number of points corresponding to a given letter grade. Find the probability
distribution of the random variable X and compute E(X), the expected value of X.
E(X) = __________
2.4; 0.2; 0.3; 0.4; 0.1; 2.4
You might also like to view...
Calculate, if possible.(-9.7)(0)
A. -1 B. -9.7 C. 9.7 D. 0
Use the given conditions to write an equation for the line in slope-intercept form.Passing through the point (3, 1) and perpendicular to y = -2x + 1
A. y = - 
x - 
B. y = -2x - 
C. y = 
x - 
D. y = 2x - 
Solve the problem.If an object is dropped off of a tower, the velocity, V, of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Express V as a linear function of t.
A. V(t) = 32 + 10t
B. V(t) = 32t + 10
C. V(t) = 
D. V(t) = 42t
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 4)(x + 3)(x - 7) > 0
A. (-?, -4) ? (-3, 7)
B. (7, ?)
C. (-?, -3)
D. (-4, -3) ? (7, ?)