Which of the Following Statements Are Not True If $t _ { v }$

Multiple Choice

Which of the following statements are not true if $t _ { v }$ denotes the density function curve for a t-distribution with $v$ degrees of freedom?

A) The t-distribution is governed by $\gamma$
Only.
B) Each $t_{J}$
Curve is bell-shaped and centered around 0.
C) Each $t_{J}$

Curve is less spread out than the standard normal z curve.
D) As $\gamma$
Increases, the spread of the corresponding $t_{J}$

Curve decreases.
E) None of the above answers are true.