Find the standard deviation of the probability density function to the nearest hundredth.f(x) = 
- 
; [2, 6]
A. 0.93
B. 0.95
C. 0.92
D. 0.94
Answer: D
Mathematics
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Perform the indicated operation.2.99 kg - 162 g (in kg)
A. 2828 kg B. 2.828 g C. 137 g D. 2.828 kg
Mathematics
Solve the problem. Round money amounts to the nearest cent.To raise money, the local PTA bought 100 kg of chocolate for 
. They sold the chocolate in 250 g bags for $1.98 each. How much profit did they make?
A. $534.00 B. $1335.00 C. $267.00 D. $198.00
Mathematics
Use the circle graph to solve the problem.A survey of the 2912 vehicles on the campus of State University yielded the following circle graph.
What percent of the vehicles are hatchbacks?
A. 102% B. 35% C. 9% D. 28%
Mathematics
Convert 0.14 micrograms to nanograms.
a. 0.00014 ng b. 0.014 ng c. 1.4 ng d. 140 ng
Mathematics