For the positive numbers, n, n + 1, n + 2, n + 4, and n + 8, the mean is how much greater than the median? A. 0 B. 1 C. n+1 D. n+2 E. n+3 Correct Answer: B Full explanation coming soon. Send us a note if you’d like this added to the […]
What is the difference between the sixth and the fifth terms of the sequence 2, 4, 7, … whose nth term is n + 2n−1? A. 2 B. 3 C. 6 D. 16 E. 17 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find
Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer? A. 0.10 B. 0.15 C. 0.27 D. 0.33 E. 0.45 Correct Answer:
In a certain sequence, the term xn is given by the formula xn=2xn−1−(1/2)(xn−2) for all n ≥ 2. If x0 = 3 and x1 = 2, what is the value of x3? A. 2.5 B. 3.125 C. 4 D. 5 E. 6.75 Correct Answer: C Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of
Clarissa will create her summer reading list by randomly choosing 4 books from the 10 books approved for summer reading. She will list the books in the order in which they are chosen. How many different lists are possible? A. 6 B. 40 C. 210 D. 5,040 E. 151,200 Correct Answer: D Full explanation coming soon. Send
