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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Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 9;

A. -
B. -, 3i, -3i
C. -i, i, -
D. i

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Mathematics

Solve the problem. Assume projectile is ideal, launch angle is measured from the horizontal, and launch is over a horizontal surface, unless stated otherwise.Derive the equations x = x0 + (v0 cos ?)t, y = y0 + (v0 sin ?)t - gt2by solving the following initial value problem for a vector r in the plane. Differential equation: = -gj Initial conditions: r(0) = x0i + y0j (0) = v0 cos ?)i + (v0 sin ?)j