Saturday

October 25, 2014

October 25, 2014

Posted by **Anonymous** on Saturday, March 1, 2008 at 10:04pm.

I think it would be 1/2 but the answer is 1/3 and I have no idea where you would get that answer.

- Probability -
**drwls**, Saturday, March 1, 2008 at 10:21pmThree things can happen with equal probability on the fateful toss when "at least one" is heads:

Coin A heads; Coin B heads

Coin A heads, Coin B tails

Coin A tails; Coin B heads

That makes one out of three with both heads

- Probability -
**Anonymous**, Wednesday, December 21, 2011 at 6:42pmBob flipped a coin 200 times with the following results:120 heads, 80 tails. Based on these results what is the experimental probability that Bob will get a tail on the next flip.

**Answer this Question**

**Related Questions**

math - Six fair coins are flipped, the probability that exactly three coins ...

math - John has 2 coins, one fair and the other unbalanced so that the ...

probability - John has 3 unique coins such that the probability of obtaining a ...

probability - John has 3 unique coins such that the probability of obtaining a ...

Math - Four coins fall onto the floor. Find the probability that (a) exactly ...

math - John has 3 unique coins such that the probability of obtaining a head ...

maths-urgent - a man has 3 unique coins such that the probability of obtaining a...

mathematics - John has 3 unique coins such that the probability of obtaining a ...

maths - Suppose there are 10 coins laid out in front of you. All of the coins ...

Math: Probablity - A penny, a nickel, and a dime are flipped at the same time. ...