The probability distribution of a random variable X is shown below. x :-4 ,0, 4, 8
p(x): 0.15, 0.25, 0.20, 0.40

Q22: Find the following probabilities:
A:P(X 3)
C: P(0 D: P(X = 5)
E:Find E(X).
F:Find V(X).

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Simplify using positive exponents only.