Which statement correctly describes the relation between a
t-distribution and a standard normal distribution?

a) The standard normal distribution has more b) The standard normal distribution is
area in the tails than the t-distribution.
centered at 0, while the t-distribution is
centered at (n-1).
c The t-distribution has a smaller standard O d) As the sample size increases, the standard
deviation than the standard normal
deviation of the t-distribution decreases.
distribution.

40 describe the outliers from the scatter plot.

What is x3+3x2−16x−48 divided by x−1?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.