Let x be a continuous random variable over [a, b] with probability density function f. Then the median of the x-values is that number m for which 
.Find the median.f(x) = 3e-3x, [0, ?)
A. 
ln 3
B. 
ln 2
C. 
D. 1
Answer: B
Mathematics
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Add or subtract. Make sure you simplify your final answer.
+ 
A. 
B. 
C. 
D. 
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Write true or false for the statement.All angles in an equilateral triangle are less than 90°.
A. True B. False
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Convert the percent to a fraction or mixed number. Simplify the fraction completely.5%
A. 
B. 5
C. 
D. 
Mathematics
Multiply.5x ? (-3x3) ? x2
A. -15x6 B. 15x5 C. -8x5 D. -9x6
Mathematics