Afirm uses trend production and seasonal factors to simulate cells for a given time period. it’s assigns “0” if sales fall, “1” if sales are steady, “2” if sales rise moderately, and “3” if sales rise a lot. the simulator generates the following output.

0 1 1 2 2 0 1 1 2 3 2 1 2 1 2 2 1 2 3 2 2 2 0 3 1 0 2 1 2 1

estimate the probability that sales will rise at least moderately.

a. 0.452
b. 0.613
c. 0.516
d. 0.512