+0  
 
0
145
1
avatar

If I roll a fair, regular six-sided die four times, what is the probability that I will roll the number  exactly three times?

Guest Dec 11, 2017
Sort: 

1+0 Answers

 #1
avatar+86649 
+1

Ther probability that any number is rolled  3 times out of 4 is given by :

 

C(4,3)* (1/6)^3 *(5/6)   =  5/324  ≈  1.54%

 

 

cool cool cool

CPhill  Dec 12, 2017

8 Online Users

New Privacy Policy (May 2018)
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  Privacy Policy