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.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 107 yards with a 7-iron, how far should he average with a 5-iron? (Round approximations to the nearest yard.)
A. 118 yd B. 96 yd C. 128 yd D. 89 yd
Mathematics
Determine whether any of the listed candidates has a majority.Four candidates running for congress receive votes as follows:Alberts: 50,787, Brown: 13,851, Cassimatis: 36,936, D'Amico: 32,319
A. No B. Yes
Mathematics
Change the order of integration and evaluate the integral.
A. 
?2
B. 
?2
C. 
?
D. 
?
Mathematics
Use the square root property to solve the equation.x2 - 19 = 0
A. {
}
B. {-
, 
}
C. 
D. {361}
Mathematics