Answer the question.Tell which of the following distributions would have the least variation.
A. Weights of all pet dogs
B. Weights of all children who have a pet cat
C. Weights of all pets
D. Weights of all pet cats
Answer: D
Mathematics
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Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The reliability R of a certain product is found to be 
where t is time of operation in hours. (R = 1 is perfect reliability, and R = 0.5 means there is a 50% chance of a malfunction). Sketch the graph.
A. 
B. 
C. 
D. 
Mathematics
For the given graphical representation of vector v, estimate a1 and a2 so that 
and calculate 
.
A. a1 = 10, a2 = 0; 
= 10
B. a1 = 0, a2 = 10; 
= 3.2
C. a1 = 0, a2 = 10; 
= 10
D. a1 = 0, a2 = 10; 
= 100
Mathematics
Change the number 
to base ten.
?
A. 15.75 B. 18.47 C. 14.52 D. 16.86 E. 31.5
Mathematics