Ted bought a sweatshirt and a t-shirt for $45.60. if the sweatshirt cost $24.50, how much did he pay for the t-shirt?
a.
$24.50
b.
$32.10
c.
$21.10
d.
$31.20

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10