An airline has determined that the average weight of a traveler's suitcase is 39.7 pounds, with a standard deviation of 5.2 pounds.
Assuming a normal distribution of suitcase weights, what percentage of travelers' suitcases weigh less than 44.9 pounds?
A.
About 84% of the suitcases weigh less than 44.9 pounds.
B.
About 97% of the suitcases weigh less than 44.9 pounds.
C.
About 34% of the suitcases weigh less than 44.9 pounds.
D.
About 68% of the suitcases weigh less than 44.9 pounds.