Design a Statistical Process for finding how satisfied the students are in the cafeteria of the school with the quality of the food.

Solve for x, y, and z. show all steps.

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

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