For the following probability distribution 
_____.
60
80
120
150
0.25
0.20
0.40
0.15
A. 101.5
B. 102.5
C. 109.5
D. 108.5
Answer: A
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Use the method of undetermined coefficients to solve the differential equation.
- 2
+ y = xe-5x - e-5x; 
= 0 and y = 0 when x = 0
A. y = 
ex - 
xex + 
xe-5x - 
e-5x
B. y = 
ex + 
xex + 
xe-5x - 
e-5x
C. y = 
ex - 
xex + 
xe-5x + 
e-5x
D. y = - 
ex - 
xex + 
xe-5x - 
e-5x
Solve the problem relating to the Fibonacci sequence.F28 = 317,811, F30 = 832,040Find F29.
A. F29 = 1,149,851 B. F29 = 514,229 C. F29 = 196,418 D. F29 = 1,346,269
The range for this set of numbers: 1.5cc, 4.0cc, 6.5cc, 8.0cc, 8.0cc, 8.0cc, 10.5cc, 12.0cc, 12.0cc; is
A. 6.75cc B. 10.5cc C. 13.5cc D. none
Find the median. Round to the nearest tenth when necessary.The numbers of minutes Maria spent looking on the internet for gifts for her family during the last six days are as follows: 1, 14, 26, 22, 30, 46
A. 22 minutes B. 26 minutes C. 24 minutes D. 19.5 minutes