Solve the problem.The psychology lab at a college is staffed by 5 male doctoral students, 10 female doctoral students, 12 male undergraduates, and 6 female undergraduates. If a person is selected at random from the group, find the probability that the selected person is an undergraduate or a female.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find an upper bound for the error in estimating 
using Simpson's Rule with n = 6 steps. Give your answer as a decimal rounded to five decimal places.
A. 0.02624 B. 0.02061 C. 0.04684 D. 0.03280
Mathematics
Find the LCD and multiply each term by the LCD. Then solve.1 + 
= 
A. x = -9, x = 8
B. x = 9, x = 8
C. x = - 
, x = 
D. x = 9, x = -8
Mathematics
Find the domain and the range of the function.
A. D: x ? 0, R: y ? - 
B. D: x ? 
, R: y ? 0
C. D: All real numbers, R: All real numbers
D. D: x ? 
, R: y ?0
Mathematics
Solve.Find the distance d(P1, P2) between points P1 = (7, -5) and P2 = (3, -7).
A. 12
B. 2
C. 2
D. 12
Mathematics