Mr. Yutaro’s class contains 4 boys and 12 girls. If two students are chosen, one at a time, from the class, what is the probability that a boy and a girl are chosen?	Choose the correct choice from the following choices:
A) 9/48	B) 2/15	C) 11/24	D) 27/48	E) 13/16
Probability of a boy being chosen first, then a girl:   4/16 * 12/15   Probability of a girl being chosen first, then a boy:   12/16 * 4/15   Probability of a boy and a girl being chosen:   (4*12+12*4) / (15*16)   =2/15   Answer:2/15
<result>B</result>
Mr. Yutaro’s class contains 4 boys and 12 girls. If two students are chosen, one at a time, from the class, what is the probability that a boy and a girl are chosen?