Solve the problem.The annual rainfall in Maine is a random variable with probability density function defined by 
for x in 
Find the probability that the rainfall is less than the mean.
A. 0.445
B. 0.500
C. 0.489
D. 0.447
Answer: D
Mathematics
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Use dimensional analysis to answer the question. Which length is longer? 5.8 feet or 228.3 centimeters
A. 5.8 feet B. 228.3 centimeters C. They are the same length.
Mathematics
Solve the problem.Two cables anchor a navigation buoy in a river. The tensions in the cables are 
and 
Find the resultant force of the cables.
A. -40 + 100j
B. 20
C. -40j + 100
D. 100 + 100j
Mathematics
Evaluate the expression.-60 + 61
A. -121 B. -1 C. 121 D. 1
Mathematics
Solve the problem.Find the 15th term of the following geometric sequence:1 - 
, 2 - 
, 2 - 2
, . . .
A. 256 - 256
B. 64
- 64
C. 128 - 128
D. 128
- 128
Mathematics