Question

Which action most closely relates to the president’s role as chief executive?

meeting foreign dignitaries
vetoing a law passed by Congress
awarding a medal to a war veteran
appointing heads of regulatory agencies

Answer 1

The action that most closely relates to the president’s role as chief executive is appointing heads of regulatory agencies. As chief executive, the president is responsible for enforcing laws and overseeing the executive branch of government, which includes various departments and agencies. Appointing heads of regulatory agencies is one way the president can exercise this responsibility.

Answer 2

Let X be a random variable with the following probability distribution Value x of X P(X= x) -30 0.10 -20 0.15 -10 0.05 0 0.35 10 0.35 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E(x) = 0 (b) Find the variance Var(x) of X. Var(x) = 0 Х ? Let X be a random variable with the following probability distribution. Value x of X P(X=x) 20 0.30 30 0.40 40 0.05 50 0.25 Complete the following. (If necessary, consult a list of formulas.) Х 2 (a) Find the expectation E(X) of X. E(x) = 0 (b) Find the variance Var(x) of x. Var(x) = 0 Let X be a random variable with the following probability distribution. Value x of X P(X=x) 3 0.35 4 0.20 5 0.30 6 0.05 7 0.05 00 0.05 Complete the following. (If necessary, consult a list of formulas.) ? (a) Find the expectation E (X) of X. E(x) = 0 (b) Find the variance Var(x) of X. Var(x)