Fill in the blank with one of the words or phrases listed below.
A 
is one way to picture and count outcomes.
A. pictograph
B. tree diagram
C. circle
D. histogram
Answer: B
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Find the standard deviation.The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest tenth of a mile the distance they travel one way from home to work. The six distances are listed below. Find the standard deviation. Round your answer to two decimal places. 20.7 23.9 39.9 33.6 12.1 21.6
A. 36.75 mi B. 4,333.64 mi C. 3,840.54 mi D. 9.93 mi
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + x2 + 9x - 10 B. f(x) = x4 - x3 + 3x2 - 5x - 10 C. f(x) = x4 - 3x3 + 5x2 - x - 10 D. f(x) = x4 - 3x3 - 3x2 + 7x + 6
Use the distributive property to find the product.(9y - 8)(81y2 + 72y + 64)
A. 729y3 + 512 B. 729y3 + 576y2 - 512 C. 729y3 - 512 D. 81y3 + 512
The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = 
, x0 = 4, dx = 0.6
A. 0.00351 B. 0.07866 C. 0.10702 D. 0.00587