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What is the probability of getting at least 2 heads in three flips of a fair coin?
In three flips of a fair coin, there are a total of 8 possible outcomes: T, T, T; T, T, H; T, H, T; T, H, H; H, H, H; H, H, T; H, T, H; H, T, T Of the possible outcomes, four of them (half) contain at least two heads, as can be seen by inspection. Note: In flipping a coin, there are two possible outcomes at each flipping event. The number of possible outcomes expands as a function of the number of times the coin is flipped. One flip, two possible outcomes. Two flips, four possible outcomes. Three flips, eight possible outcomes. Four flips, sixteen possible outcomes. It appears that the number of possible outcomes is a power of the number of possible outcomes, which is two. 21 = 2, 22 = 4, 23 = 8, 24 = 16, .... Looks like a pattern developing there. Welcome to this variant of permutations.
A fair coin is flipped three times what is the probability that the coin lands heads each time?
7/8
What is the probability of flipping heads on the coin?
The probability of flipping Heads on a coin is 1 - a certainty - if the coin is flipped often enough. On a single toss of a fair coin the probability is 1/2.
What is the probability of getting 3 heads in 10 tosses of a fair coin?
130 instances of 3 heads out of 1024 total possible outcomes=130/1024=0.126953125
What is the probability of 3 tails in a row if a coin is flipped tree times?
For a fair coin it is (1/2)3 = 1/8 = 0.125For a fair coin it is (1/2)3 = 1/8 = 0.125For a fair coin it is (1/2)3 = 1/8 = 0.125For a fair coin it is (1/2)3 = 1/8 = 0.125
