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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Use the root test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Find the equilibrium solution of the equation. Use a sketch of the direction field for 
to determine whether the equilibrium is stable.y'(t) + 2u + 6 = 0
A. y = 
; unstable
B. y = - 
; stable
C. y = 3; stable
D. y = -3; unstable
Mathematics
Find all possible functions with the given derivative.y' = 
A. 5
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Add or subtract as indicated. Simplify the result, if possible.
- 
A. - 
B. 
C. 
D. 
Mathematics