Aprobability density function is given by:

2 2 2 for 0

( )

0 otherwise,

h v av e v

f v

    



find:

(a) the expectation, [6]

(b) the variance

The heaviest 16% of all men in weight weigh more than how many pounds ?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Standard deviation of 19,29,21,22,23