A recurrence relation is given by: Un = 2Un - 1 + 3

If U0 = 0, calculate U2 =  

Identify the condition that fully describes the existence of independence between two events A and B.

Identify the meaning of: | x | > 5

For random variable X, use the following statistics to calculate its coefficient of skewness based on central moments.

E(X) = 3.940

E(X2) = 21.466

skew(X) = E[(X - μ)3] = 6.008

Identify which of the following involves weak inequality.

A)

B)

C)

D)

Calculate the total area enclosed by the x-axis and the function below, between x = 1.5 and x = 2.

f(x) = 2x3