perplexus.info :: Probability : Simple coins

Simple coins (Posted on 2002-04-09)

I toss two coins and look at the outcome. I then tell you that at least one of the coins is showing up as "tails". What is the chance that the other one is showing "tails" as well?

(from techInterview.org)

See The Solution Submitted by art

Rating: 3.8750 (16 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re(3): It's not 1/3 the way the problem was posed.

| Comment 11 of 45 |

(In reply to re(2): It's not 1/3 the way the problem was posed. by Charlie)

Make that "tails" in my preceding post, but the argument is the same.

Posted by Charlie on 2003-04-11 08:57:28

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info