Find the probability of the event.A battery company has found that the defective rate of its batteries is 0.03. Each day, 22 batteries are randomly tested. On Tuesday, 1 is found to be defective.
A. 0.348
B. 0.118
C. 0.110
D. 0.614
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the x-y plane; range: all real numbers; level curves: parabolas 
B. Domain: all points in the x-y plane excluding x = 0; range: all real numbers; level curves: parabolas 
C. Domain: all points in the x-y plane excluding x = 0; range: real numbers z ? 0; level curves: parabolas 
D. Domain: all points in the x-y plane; range: real numbers z ? 0; level curves: parabolas 
Write the sample space for the experiment. Students choose two types of music from among rock, jazz, hip hop, reggae, and country.
A. S = {(rock, jazz), (rock, hip hop), (rock, reggae), (jazz, hip hop), (jazz, reggae), (jazz, country), 
(reggae, country)}
B. S = {rock, jazz, hip hop, reggae, country}
C. S = {(rock, jazz), (rock, hip hop), (rock, reggae), (rock, country), (jazz, hip hop), (jazz, reggae), 
(hip hop, reggae), (hip hop, country), (reggae, country)}
D. S = {(rock, jazz), (rock, hip hop), (rock, reggae), (rock, country), (jazz, rock), (jazz, hip hop), 
(jazz, country), (hip hop, rock), (hip hop, jazz), (hip hop, reggae), (hip hop, country), (reggae, rock), (reggae, jazz), (reggae, hip hop), (reggae, country), (country, rock), (country, jazz), (country, hip hop), (country, reggae)}
Add or subtract.
- 
A. 
B. 
C. 
D. 
Solve the problem.A machine can fill 1138 boxes of cereal in 0.2 hour. How many boxes of cereal can it fill per hour?
A. 5690 boxes B. 3793 boxes C. 228 boxes D. 1138 boxes