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. i B. -i C. -1 D. 1
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A. e B. -1 C. 0 D. 1
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Use a graphing calculator and the method of matrix inverses to solve the system. Give 5 decimal places.x - y =3.72.85x + y = -8.23
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Mathematics