Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20
B. 100
C. 10
D. 500
Answer: C
Mathematics
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A. 
B. - 
C. - 
D. 
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A. +384 B. -384
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Solve the absolute value equation.
- 1 = -5
A. 
B. 
C. 
D. ?
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Simplify.|2 - 14| ? (-24) ÷ (-4)
A. 1152 B. -72 C. -1152 D. 72
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