As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.Suppose that the student is given the N-value. What is a reasonable estimate for the number of red marbles in the container?
A. 107
B. 300
C. 480
D. 320
E. none of these
Answer: D
Mathematics
You might also like to view...
Provide an appropriate response.Is f continuous on (-2, 4]? 
A. No B. Yes
Mathematics
Use properties of exponents to simplify the expression. Express answer in exponential form.
A. 4-2 B. 4-15 C. 42 D. -48
Mathematics
Find a set of parametric equations for the rectangular equation.y = 
A. x = t2; y = 
, x ? 4
B. x = t; y = 
C. x = t + 1; y = 
D. x = (t - 1)2; y = 
, x ? 0
Mathematics
Use special right triangles to evaluate the expression.sin 
A. 
B. 
C. 
D. 
Mathematics