Question 354181
Hi,
*Note: There are "22 total marbles" in the jar
9 blue and 13 green
.
P( of first being blue) = 9/22
.
Note: NO replacement.  There are now "21 total marbles in the jar
P(of a green being chosen) = 13/21
.
The probability of first blue AND second green is;
{{{(9/22)*(13/21)}}}