Solve the problem.The annual rainfall in Maine is a random variable with probability density function defined by  for x in  Find the standard deviation.

A. 1.270
B. 1.597
C. 1.265
D. 0.903


Answer: C

Mathematics

You might also like to view...

Solve the problem.A continuous random variable X has PDF f(x) = x(9 - x),   Find E(X2).

A.
B.
C.
D.

Mathematics

Find the average velocity of the function over the given interval.  y = , [2, 8]

A. - 
B. 7
C.
D. 2

Mathematics

Divide.

A. Undefined B. -79 C. 0 D. Indeterminate

Mathematics

Find the approximate annual percentage rate using the approximate annual percentage rate formula. Round to the nearest tenth of a percent.Amount financed: $127,534Finance charge: $211,690Number of monthly payments: 360

A. 11.0% B. 11.1% C. 9.0% D. 4.0%

Mathematics