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What is the probability of getting exactly 2 heads by flipping 3 coins?
The probability is 0.375
What is the probability that exactly 2 coins will show heads?
one fourth
When tossing 5 coins simultaneously what is the probability one will land heads up?
The probability that exactly one will land heads up is 0.15625
You flip 3 coins what is the probability that you get exactly 3 heads?
There is a 1/8 chance to land three heads.
What is the probability if 8 coins are flipped exactly 2 coins will show heads?
2/8 or 1/4 or 25 %
What is the probability of getting exactly 2 heads by flipping 3 coins?
The probability is 0.375
What is the probability that exactly 2 coins will show heads?
one fourth
When tossing 5 coins simultaneously what is the probability one will land heads up?
The probability that exactly one will land heads up is 0.15625
You flip 3 coins what is the probability that you get exactly 3 heads?
There is a 1/8 chance to land three heads.
What is the probability if 8 coins are flipped exactly 2 coins will show heads?
2/8 or 1/4 or 25 %
What is the probability that exactly two coins come up heads when four coins are tossed?
6/16 = 3/8
What is the probability of obtaining exactly five heads in six flips of a coin given that at least one is a head?
The probability that you will toss five heads in six coin tosses given that at least one is a head is the same as the probability of tossing four heads in five coin tosses1. There are 32 permutations of five coins. Five of them have four heads2. This is a probability of 5 in 32, or 0.15625. ----------------------------------------------------------------------------------- 1Simplify the problem. It asked about five heads but said that at least one was a head. That is redundant, and can be ignored. 2This problem was solved by simple inspection. If there are four heads in five coins, this means that there is one tail in five coins. That fact simplifies the calculation to five permutations exactly.
Three fair coins are tossed determine the probability of the following event exactly two coins land on heads?
The sample space is 23 or 8; which can be listed out as: HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. There are 2 of the 8 that have exactly 2 heads; so the probability of exactly two coins landing on heads is 2/8 or 1/4.
What is the probability of getting 2 heads when 2 coins are tossed?
The probability of tossing two heads in two coins is 0.25.
Two coins are tossed What is the probability of both coins are heads?
The probability that both coins are heads is the probability of one coin landing heads multiplied by the probability of the second coin landing heads: (.5) * (.5) = .25 or (1/2) * (1/2) = 1/4
What is the probability of obtaining exactly six heads in seven flips of a coin given that at least one is a head?
The requirement that one coin is a head is superfluous and does not matter. The simplified question is "what is the probability of obtaining exactly six heads in seven flips of a coin?"... There are 128 permutations (27) of seven coins, or seven flips of one coin. Of these, there are seven permutations where there are exactly six heads, i.e. where there is only one tail. The probability, then, of tossing six heads in seven coin tosses is 7 in 128, or 0.0546875.
What is probability of tossing five heads from five coins?
the probability is 0.03125 or 3.123%
