Solve.Suppose that the chance that one event occurs is 
and the chance that an independent (or unrelated) event occurs is 
. The chance that the first event occurs but the second event does not occur can be represented by 
. Write this product as a single rational expression.
A. 
- 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.9
days to 2
weeks
A. 
B. 
C. 
D. 
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What does the circuit symbol in the figure mean?
?
?
A. battery (or power source) B. switch C. light
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Find the probability.A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 31 that have no defects. What is the probability that at least one of the 4 calculators in the sample is defective?
A. 0.689 B. 0.311 C. 0.673 D. 0.100
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Evaluate and simplify.If f(x) = 
- x, find f(n + 2).
A. 
B. 
C. 
D. 
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