Solve the problem.The life (in months) of an automobile battery has a probability density function defined by  for x in  Find the probability that the life of a randomly selected battery is greater than 5 years.

A. 0.0716
B. 0.7135
C. 0.2865
D. 0.1784


Answer: C

Mathematics

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Using Green's Theorem, find the outward flux of F across the closed curve C.F = ln (x2 + y2) i + tan-1 j; C is the region defined by the polar coordinate inequalities  and 

A. 63 B. 65 C. 0 D. 126

Mathematics

Find the length of the curve.The curve r = 9 sin3 , 0 ? ? ? 

A. 27(3 - ?)
B. (5? - 9)
C. (2? - 3)
D. (5? - 8)

Mathematics

Simplify the exponential expression.  -2

A. y10
B.
C.
D.

Mathematics

Solve using the multiplication principle.6x = 48

A. 42
B. 288
C. 8
D.

Mathematics