Wednesday

August 27, 2014

August 27, 2014

Posted by **Molly** on Monday, October 10, 2011 at 9:22pm.

f (x) = {(1/γ)e^(-(x-α)/γ) if x>α

{0 if x ≤ α.

a. Find E[X].

b. Find V[X].

c. If α = 4, γ = 2, ﬁnd P (X > 8).

d. Find P (X < α + 3γ ).

e. Find the cdf for X , F (x).

**Related Questions**

math - The roots of the polynomial f(x)=2x3+20x2+201x+2013 are α,β and...

Precalc - If α, β, and γ are direction angles for a vector in ...

Math - the vector u makes angles α(alpha), β(beta), γ(gama) with ...

Engineering/Physics - A force F = 7^i + 6^j - 5^k lb. acts at the origin. Find ...

physics - A calorie is unit of heat or energy and it equals about 4.2J, where 1J...

Math Trigonometry - Given w=2+2i and v=−5√3+5i, vw^2 can be ...

math - Given the indicated parts of triangle ABC with γ = 90°, approximate...

MATH - Given the indicated parts of triangle ABC with γ = 90°, approximate...

mechanics (calculating plane speed and climb angle - Two radar stations A and B...

physics - In Physics, it is important to use mathemat- ical approximations. For ...