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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Solve the problem.A satellite dish is in the shape of a parabolic surface. Signals coming from a satellite strike the surface of the dish and are reflected to the focus, where the receiver is located. The satellite dish shown has a diameter of 8 feet and a depth of 3 feet. The parabola is positioned in a rectangular coordinate system with its vertex at the origin. The receiver should be placed at the focus  The value of p is given by the equation  How far from the base of the dish should the receiver be placed? 

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A. 5 feet from the base
B.  feet from the base
C. 1 feet from the base
D.  feet from the base

Mathematics

Use the Binomial Theorem to expand the binomial.(x+ 4y)4

A. x4 + 16x3y + 96x2y2 + 256xy3 + 256y4 B. x4 + 4x3y + 6x2y2 + 4xy3 + y4 C. x4 + 16x3y + 96x2y2 + 16xy3 + 256y4 D. x4 + 4x3y + 96x2y2 + 128xy3 + 256y4

Mathematics

Provide an appropriate response.If a variable is expressed in terms of another variable, what is the other variable called?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Simulate 20 rolls of a pair of dice where the sum is observed. Give the relative frequency and corresponding theoretical probability of each of the outcomes. Make a table showing your results. The simulation is shown below.  

A.

B.

C.

D.

Mathematics