+0  
 
0
81
1
avatar

In a game, you roll a die and win if you roll a 6. Otherwise, you lose. If you play 9 times what is the probability that you won exactly twice? (to 2 decimal places)

 Nov 18, 2019
 #1
avatar
0

I'm assuming 9 rolls of a die and the outcome of EXACTLY 2 sixes:

 

9C2 * 5^7 =2,812, 500 / 6^9 =~27.91%

 Nov 18, 2019

29 Online Users

avatar