Find the indicated probability.A spinner has regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 
B. 17
C. 
D. 
Answer: D
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List all of the Hamilton circuits for the graph that start with the indicated vertices.
Starting E ? C
A. E ? C ? A ? B ? D ? E E ? C ? A ? D ? B ? E E ? C ? D ? A ? B ? E B. E ? C ? A ? B ? D ? E E ? C ? A ? D ? B ? E E ? C ? D ? A ? B ? E E ? C ? D ? B ? A ? E E ? C ? B ? D ? A ? E E ? C ? B ? A ? D ? E C. E ? C ? A ? B ? D E ? C ? A ? D ? B E ? C ? D ? A ? B D. E ? C ? A ? B ? D E ? C ? A ? D ? B E ? C ? D ? A ? B E ? C ? D ? B ? A E ? C ? B ? D ? A E ? C ? B ? A ? D
The window shown below has the shape of an ellipse. Find the height of the window 20 inches from one end.
?
?
A. 38.2" B. 37.8" C. 37.7" D. 38.9" E. none of these
Find the probability.One urn has 4 red balls and 1 white ball; a second urn has 2 red balls and 3 white balls. A single card is randomly selected from a standard deck. If the card is less than 5 (aces count as 1), a ball is drawn out of the first urn; otherwise a ball is drawn out of the second urn. If the drawn ball is red, what is the probability that it came out of the second urn?
What will be an ideal response?
Find the range for the data set.15, 16, 15, 16, 15, 16, 15, 16
A. 1 B. 16 C. 31 D. 15.5