Let Y be a random variable with a density function given by
f(y) = (3/2)y^2, −1≤y≤1,
0, elsewhere.
a) Find the density function of U1 = 3Y.
b) Find the density function of U2 = 3−Y.
c) Find the density function of U3 = Y^2.

From the given density function we find the distribution function,

(a)

(b)

(c)

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet