Find the indicated probability.The following table displays a distribution for a group of retired people by career and age at retirement. 
Suppose one of these people is selected at random. Find the probability that the person was a secretary or that they retired between ages 56 and 60. Round your answer to the nearest thousandth.
A. 0.063
B. 0.253
C. 0.444
D. 0.507
Answer: C
Mathematics
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Solve the problem.
In a school survey, students showed these preferences for instructional materials.About how many students would you expect to prefer lectures in a school of 650 students?
A. About 117 students B. About 234 students C. About 18 students D. About 130 students
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Solve the equation using the quadratic formula.
x2 + 
x + 
= 0
A. 
B. No real solution
C. - 
D. 
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Multiply.(8 - 5i)2
A. 89 - 80i B. 64 - 55i C. 39 - 80i D. 64 - 105i
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Evaluate.P(11, 0)
A. 39,916,800 B. 0 C. 11 D. 1
Mathematics