Form the intersection for the following sets. X = {0, 10, 100, 1000}

Y = {100, 1000}

X ∩ Y =

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Calculate the total payback for a $3,500 loan at 8% annual interest with monthly payments for two years. show all of your steps. use the formula, m = pm(1 + m)^na/(1 + m)^na - 1, as needed.

Why is causation so much more difficult to prove than correlation?