The shipment times in hours for a load of goods from a factory to market are tabulated in the following frequency distribution. Find the sample standard deviation of shipment time.
Shipment time (hours)Midpoint xFrequency fProduct xf22.5 - 28.5 1 28.5 - 34.5 37 34.5 - 40.5 82 40.5 - 46.5 28 46.5 - 52.5 13 52.5 - 58.5 4 Round your answer to the nearest tenth.
A. 3.5 h
B. 5.5 h
C. 6.5 h
D. 4.5 h
E. 5.8 h
Answer: E
Mathematics
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A. (6,6); 1 B. (6,5), (6,6); 2 C. (6,5), (5,6), (6,6); 3 D. (4,6), (6,4), (5,6), (6,5), (5,5); 5
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Find the total area of the region between the curve and the x-axis.y = x2(x - 2)2; 0 ? x ? 2
A. 
B. 
C. 
D. 
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Solve.
= 4
A. -1 B. 64 C. 59 D. 11
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Use a trigonometric substitution to evaluate the integral.
A. -0.511 B. 0.064 C. 0.245 D. 0.061
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