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.The stadium vending company finds that sales of hot dogs average 45,000 hot dogs per game when the hot dogs sell for $2.50 each. For each 50 cent increase in the price, the sales per game drop by 5000 hot dogs. What price per hot dog should the vending company charge to realize the maximum revenue?
A. $4.50 B. $3.50 C. $2.00 D. $3.75
Find the domain, the range, and any intercepts.
A. domain: (-?, ?); range: (-9, ?); intercepts: (0, -8), (-2, 0), (4, 0) B. domain: (-?, ?); range: [-9, ?); intercepts: (-8, 0), (0, -2), (0, 4) C. domain: (-?, ?); range: [-9, ?); intercepts: (0, -8), (-2, 0), (4, 0) D. domain: [-9, ?); range: (-?, ?); intercepts: (0, -8), (-2, 0), (4, 0)
Sketch a set of coordinate axes and plot the given point.
For the given rational function f, find all values of x for which f(x) has the indicated value.f(x) = 10x + 
; f(x) = 26
A. 2, 
B. 
, 
C. 
, 
D. 
, 