Given variable that has a t distribution with specified degrees of freedom, what percentage of the time with its value will fall in the indicated region?
a- 24 df, between -2.8 and 2.8
b- 24 df, outside interval from -2.8 to 2.8
c- 24 df, to the right of 2.8
d- 10 df, to the left of -1.81