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.The sampling frame for this survey
A. is larger than the target population.
B. contains members that are not in the target population.
C. is smaller than the target population.
D. is the same as the target population.
E. none of these
Answer: D
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Use series to evaluate the limit.
A. 5 B. 1 C. -5 D. -1
Solve the system by the addition method. Be sure to check all proposed solutions. x + 9y = 15-3x + 8y = 25
A. {(-4, 3)} B. {(3, 3)} C. {(-3, 2)} D. ?
Find the eccentricity of the ellipse.64x2 + 81y2 = 5184
A. 
B. 
C. 
D. 
Find the absolute maximum value and the absolute minimum value, if any, of the function.
?
on 
?
A. Absolute maximum value: 0; absolute minimum value: - 48 B. Absolute maximum value: 9; absolute minimum value: - 48 C. Absolute maximum value: 5; absolute minimum value: - 4 D. Absolute maximum value: 4; absolute minimum value: - 5 E. Absolute maximum value: 9; absolute minimum value: 0