Find the expected value for the random variable.For a certain animal species, the probability that a female will have a certain number of offspring in a given year is given in the table below. Find the expected number of offspring per year.
A. 1.38
B. 1.58
C. 2
D. 1.75
Answer: B
Mathematics
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x tan-1 
A. -4
B. 
C. 4
D. ?
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Perform the indicated operations.0.00432 - 0.00419
A. 0.02513 B. -0.00013 C. 0.00013 D. 0.00851
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Round as indicated.33.9 to the nearest ten
A. 31 B. 30 C. 29
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Name the quadrant in which the angle ? lies.cos ? < 0, csc ? < 0
A. I B. II C. III D. IV
Mathematics