Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed:   What is the probability that a student has less than 2 siblings?

A. 0.56
B. 0.2
C. 0.76
D. 0.24


Answer: A

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.dx

A. ln  -  tan-1  -  + C
B. ln  -  tan-1  + C
C. -  tan-1  -  + C
D. ln  -  + C

Mathematics

Write an inequality with the same meaning as the following.m ? -18

A. -18 ? m B. m ? -18 C. -18 ? -m D. -18 ? m

Mathematics

Find the limit.

A. ? B. 0 C. -? D. -1

Mathematics

Simplify, if possible.- - 

A. 5 B. -5 C. 51 D. -51

Mathematics