D. kind; degree
5) research from behavioral geneticists has found that as we grow older, genetic
influences on intelligence are in importance, shared influences are
and nonshared environmental influences are in importance.
a. increasing; decreasing; increasing
b. increasing; increasing; decreasing
c. decreasing; increasing; decreasing
d. decreasing; decreasing; increasing
answers: 1) d, 2) d, 3) d, 4) d, & 5) a

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

Arandom variable x has a mean of 10 and a standard deviation of 3. if each value of x is multiplied by 2, what will the new mean and standard deviation be?

Working to improve the working conduit a factory is an example of