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
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Solve the problem.A solid right circular cylinder is bounded by the cylinder r = 1 and the planes z = 0 and z = 5. Find the moment of inertia about the z-axis if the density is ? = 3z.
A. 
?
B. 
?
C. 25?
D. 
?
Label the pair of statements as either contrary or consistent.He is an accountant.He loves to dance.
A. Contrary B. Consistent
Provide an appropriate response.
Taylor used a regular hexagonal stock with a 2-in. distance across the flats to mill a new hexagonal rod as illustrated in the cross-section. Assume the vertices of the inside hexagon are the midpoints of the original hexagon's sides. What is the area milled off the original hexagon to create the new one?
A. 0.866 in2 B. 2.598 in2 C. 5.196 in2 D. 0.137 in2
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.60x2 + 35xy + 5y2
A. 5(3x - y)(4x - y) B. (15x + 5y)(4x + y) C. prime D. 5(3x + y)(4x + y)