+0  
 
0
70
1
avatar+120 

We flip a fair coin 10 times. What is the probability that we get heads in at least 6 of the 10 flips?

Maplesnowy  Feb 25, 2018
edited by Maplesnowy  Feb 25, 2018

Best Answer 

 #1
avatar
+1

The probability of AT LEAST 6 heads: [10C0 + 10C1 + 10C2 + 10C3 + 10C4] / 2^10 =

[1 + 10 + 45 + 120 + 210] / 1024 = 386 / 1024 =~37.7%

Guest Feb 25, 2018
Sort: 

1+0 Answers

 #1
avatar
+1
Best Answer

The probability of AT LEAST 6 heads: [10C0 + 10C1 + 10C2 + 10C3 + 10C4] / 2^10 =

[1 + 10 + 45 + 120 + 210] / 1024 = 386 / 1024 =~37.7%

Guest Feb 25, 2018

19 Online Users

avatar
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