Find the indicated probability.f(x) = e-x; [0, ?), P(x ? 1)
A. 0.3679
B. 0
C. 0.6321
D. The function f(x) is not a probability density function.
Answer: A
Mathematics
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A. ±
B. 3.5
C. 
D. Does not exist
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Solve the problem.In a microbiology class of 37 students, 13 students are graduate students. What fraction of the students are graduate students?
A. 
B. 
C. 
D. 
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Multiply or divide as indicated.
? 
A. 
B. 
C. 
D. 
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Solve.6.1p - 12 = 5.1p - 5
A. 7 B. -3 C. 6 D. 8
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