Decide whether the statement is true or false. If false, correct the statement so it is true.
= 
- 
A. True
B. False; 
= 
- 
Answer: A
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Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.$1430 is compounded annually at 10%. Find the total amount in the account after 6 years.
A. $2303.03 B. $2145.00 C. $2533.39 D. $2288.00
Solve using the elimination method.- x - 7y = 38-6x + 7y = -17
A. No solution B. (-3, -5) C. (-2, -6) D. (5, -3)
Solve the problem.The psychology lab at a college is staffed by 9 male doctoral students, 11 female doctoral students, 12 male undergraduates, and 10 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. 
Solve the problem.Patients at a medical clinic have a wait time modeled by 
for 
where the random variable x is in minutes. Find the mean, the variance, and the standard deviation.
A. ? = 6, ?2 = 36, ? ? 6
B. ? = 6, ?2 = 72, ? ? 6
C. ? = 12, ?2 = 36, ? ? 6
D. ? = 12, ?2 = 72, ? ? 6