Use a graphing calculator to find the sum.
+ 
+ 
+ . . . + 
Leave your answer in fractional form.
A. 
B. 
C. 
D. 
Answer: A
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Use the vectors u, v, w, and z head to tail as needed to sketch the indicated vector. 
z - v 
A. 
B. 
C. 
D. 
Referring to the graph below, what is the value of rd when Vf = 7.0 V?
a. 875 ohms
b. 600 ohms
c. 400 ohms
d. 235 ohms
e. 180 ohms
Solve the problem.In a particular city, 
of the residents subscribe to the local newspaper. Write this fraction as a percent.
A. 2.8% B. 28% C. 0.28% D. 0.028%
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2