A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find E(X).

A. 2.00
B. 0.80
C. 0.70
D. 1.21

Answer: B

Mathematics

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Multiply.(14x2)(0)

A. 14x2 B. 14 C. 1 D. 0

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Mathematics

Find the Taylor polynomial of order 3 generated by f at a.f(x) = ln x, a = 4

A. P3(x) = ln 4 +  -  + 
B. P3(x) =  -  +  - 
C. P3(x) = ln 4 -  +  - 
D. P3(x) =  +  +  + 

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Mathematics

Solve. The FDA approves a new drug and has confirmed by independent research that the strength of the reaction to the drug is given by the expression  where d is the dosage of the drug and ? is a constant. Factor this expression.

A. d2
B. (? - d)
C. d2
D.

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Mathematics

Multiply.3(-20)

A. -40 B. 63 C. -60 D. -63

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Mathematics