Question 1002988
Choose first;;;;;;;;;G(0.91)
G(0.91)---G(0.91) B(0.09)
====  ;;;;;B(0..09)G(0.91)
====;;;;;;;;;;;;;;;;;;;;B(0.09)
B(0.09)---G(0.91)G(0.91)
========== == B(0.09)
====  ;;;;;B(0..09)G(0.91)
----------------- B(0.09
The probability of exactly 1 is  0.91^2(0.09)*3
That is 0.2236