Solve the problem.A box contains a total of n + 4 light bulbs. In this box, there are 3 defective 40-watt bulbs, 6 defective 60-watt bulbs, and 7 defective 100-watt bulbs. If a light bulb is chosen at random by a quality control inspector, the probability, or chance, of one of the defective light bulbs being chosen is 
+ 
+ 
.Simplify this expression and then use the simplified expression to evaluate n = 96 and interpret the result.
A. 
; when there are 100 light bulbs, there are 6 chances in 50 that a defective light bulb is chosen.
B. 
; when there are 100 light bulbs, there are 4 chances in 25 that a defective light bulb is chosen.
C. 
; when there are 100 light bulbs, there are 8 chances in 25 that a defective light bulb is chosen.
D. 
; when there are 100 light bulbs, there are 10 chances in 50 that a defective light bulb is chosen.
Answer: B
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