An automobile manufacturing company uses twenty industrial robots as welders on its assembly line. On a given working day, the probability that a robot will be inoperative is 0.063. What is the probability that on a given working day exactly two robots are inoperative (P1) ? More than two robots are inoperative (P2) ?
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. Divergent
B. 
C. 
D. 
Mathematics
Solve the problem.f(x) = log2(x + 2) and g(x) = log2(x - 1).Solve f(x) = g(x). Do the graphs of f and g intersect? If so, where?
A. {3}, (3, log2(2)) B. {3}, (3, log2(3)) C. {3}, (3, log2(5)) D. No solution. No intersection.
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(11 + 9i) - (3 + 3i)
A. 14 + 12i B. -14 - 12i C. 8 + 6i D. 14 - 6i
Mathematics
Simplify.|-23| - |23|
A. 0 B. -46 C. 23 D. 46
Mathematics