If a family's mpc is 0.7, it is:

a. operating at the break-even point.
b. spending seven-tenths of any increment to its income.
c. necessarily dissaving.
d. spending 70 percent of its income on consumer goods.
e. the disposable income.

The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.

Pranza plotted point a in the coordinate plane below.

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307