For the givensample, the probability of a sample mean being less than 12,748 or greater than 12,751 is 0.5

Would the given sample mean be consideredunusual?

A.

The sample mean would not be considered unusual because there is a probability less than 0.05 of the sample mean being within this range.

B.

The sample mean would be considered unusual because there is a probability lessthan 0.05 of the sample mean being within this range.

C.

The sample mean wouldnot be considered unusual because there is a probability greaterthan 0.05 of the sample mean being within this range.

D.

The sample mean would be considered unusual because there is a probability greater than 0.05 of the sample mean being within this range.