Find the standard deviation of the data.The normal monthly precipitation (in inches) for August is listed for 12 different cities. Find the standard deviation. Round to the nearest hundredth.3.5 1.6 2.4 3.7 4.1 3.91.0 3.6 4.2 3.4 3.7 2.2
A. 12.03 in.
B. 1.00 in.
C. 1.09 in.
D. 1.05 in.
Answer: D
Mathematics
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Solve the problem.3% of the residents of a city are originally from India. The population of the city is 106,600. How many residents of the city are originally from India?
A. 3,553,333 residents B. 31,980 residents C. 3198 residents D. 355,333 residents
Mathematics
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by 
what is the unit cost for 10 units? Round to the nearest cent.
A. $90.00 B. $3.00 C. $60.00 D. $22.50
Mathematics
Solve the equation by multiplying both sides by the LCD.
= 1 + 
A. {6, 10} B. {12} C. {-12} D. {-2, 4}
Mathematics
Simplify. (Assume all variables are nonzero.)(13x)0
A. 13x B. 1 C. 13 D. 0
Mathematics