T is Exponential (8).

Find E ( X ), Var ( X ), and SD( X ) for the given random variable


0.125, 0.015625, 0.125

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: none; minimum:    at  
B. Maximum: none; minimum:    at  
C. Maximum: none; minimum:    at  
D. Maximum: none; minimum:    at  

Mathematics

Divide.

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

Mathematics

Solve.x2 = 81

A. 40.5 B. -9, 9 C. -10, 10 D. 9

Mathematics

Find the limit.f(x), where f(x) = 

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

Mathematics