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 white marbles in the container?
A. 480
B. 320
C. 107
D. 300
E. none of these
Answer: A
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For an election with 4 candidates (A, B, C, and D), we have the following preference schedule:
Using the method of pairwise comparisons, the winner of the election is
A. A. B. B. C. C. D. D. E. none of these
Provide an appropriate response.A wheel rolling down a road covers 81.7 linear inches in one revolution. What is the area of the wheel?
What will be an ideal response?
Factor the trinomial completely, or state that the trinomial is prime.9x2 - x - 38
A. (9x + 19)(x - 2) B. (9x + 2)(x - 19) C. (9x - 2)(x + 19) D. (9x - 19)(x + 2)
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.2x = 756
A. x = 378 B. x = log 378 C. x = log 756 D. x = log2756