Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx2; [-1, 4]
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 
What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary.
A. 11.6 ft × 11.6 ft × 0.5 ft B. 4.1 ft × 4.1 ft × 4.1 ft C. 5.9 ft × 5.9 ft × 2 ft D. 5.1 ft × 5.1 ft × 2.6 ft
Simplify. ? -5(3n + 8r) + 8(n - 5r) ?
A. 4n - 80r B. -7n - 80r C. 12n + 9r D. 7n + 6r E. 6n + 3r
Determine whether the source of error represents random or systematic error.When scientists estimate the height of a mountain there is a certain amount of error involved in measuring distances and angles.
A. Systematic error B. Random error
Represent the fraction as a decimal by using the long-division algorithm.
A. 1.1
B. 1.1
C. 1.
D. 1.