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If you flip three fair coins, what is the probability

If you flip three fair coins, what is the probability that you'll get a head on the first flip, a tail on the second flip, and
1. 1 answer
2. asked by Ann
3. 1,833 views
If you flip three fair coins, what is the probability that you'll get two tails and one head in any order?
1. 2 answers
2. asked by Ryland
3. 1,641 views
One coin is fair and one is weighted so that Pr[H] = [ 1/4]. You randomly select one of the two coins, and flip it 3 times,
1. 1 answer
2. asked by KS
3. 784 views
One coin is fair and one is weighted so that Pr[H]=211. You randomly select one of the two coins, and flip it 5 times, noting
1. 0 answers
2. asked by Dana
3. 840 views
We have an infinite collection of biased coins, indexed by the positive integers. Coin i has probability 2−i of being
1. 3 answers
2. asked by Chibuzo
3. 1,424 views
If you flip two coins simultaneously, what's the probability you'll have to flip them four times before the first occurrence of
1. 1 answer
2. 48 views
Experiment: roll a fair die and flip a fair coin. What is the probability is that you roll a 3 and flip a head?
1. 1 answer
2. asked by Christine
3. 515 views
Suppose you flip four coins and you want to determine the probability of exactly three of these coins flipping a head. If
1. 1 answer
2. 61 views
Suppose you flip four coins and you want to determine the probability of exactly three of these coins flipping a head. If
1. 1 answer
2. 55 views
Two fair coins are flipped simultaneously. This is done repeatedly until at least one of the coins comes up heads, at which
1. 3 answers
2. asked by Anonymous
3. 1,258 views