you have 8 marbles numbered 1-8, mix them up & draw 2. What are the chances that the #s are 4 & 7
2 answers
2/8 * 1/7
the first marble is four or seven=2*1/8
the second marble is the the other number: 1/7
Pr= 2*1/8*1/7=
the second marble is the the other number: 1/7
Pr= 2*1/8*1/7=