A certain dry cereal is packaged in 23-oz boxes. The machine that fills the boxes is set so that, on the average, a box contains 23.4 oz. The machine-filled boxes have contents weights that can be closely approximated by a normal curve.
What percentage of the boxes will be underweight (that is, below the stated weight of 23-oz) if the standard deviation is
0.4 oz?

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation