stem, - leaves
12 --- 3 8 8
13 --- 1 3 4 4 5 6 8
14 --- 0 0 2 4 5 5 7 7 7 8 9
15 --- 0 1 3 3 5 6 7 8 9 9
16 --- 1 2 2 9
how many of the 35 females participants weigh at least 150 pounds?