Probability

# What is the probability that you will get 4 heads in tossing 4 coins?

###### Wiki User

The probability is 1/2^4 = 1/16

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## Related Questions

### 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 probability of at least 2 heads on tossing 3 coins?

There are 8 permutations of three coins. Of these, 3 of them have two heads, so the probability of tossing two heads on three coins is 3 in 8, or 0.375. However, you said, "at least", so that includes the case of three heads, so the probability of throwing at least two heads is 4 in 8, or 0.5. T T T T T H T H T T H H * H T T H T H * H H T * H H H *

### What is the probability of landing on an even number when tossing an 8 sided die and tossing a coin and getting heads?

1/2 * 1/2 = 1/4 1/2= probability of landing an even number 1/2 = probability of landing a heads

### If you toss 4 coins what is the probability of tossing all heads?

Take your base chance of getting heads, 1/2, and raise it to the power of the number of times you flip the coin, 4. (1/2)4 = 1/16 = .0625 = 6.25 %

### What is the theoretical probability of tossing two coins?

Tossing two coins doesn't have a probability, but the events or outcomes of tossing two coins is easy to calculate. Calling the outcomes head (H)or tails (T), the set of outcomes is: HH, HT, TH and TT as follows: 2 heads = (1/2) * (1/2) = 1/4 1 head and 1 tail, can be heads on first coin tails on second, or just the opposite, there's two possible events: (1/2)*(1/2) + (1/2)*(1/2) = 1/2 2 tails = same probability as two heads = 1/4

### What is a probability of tossing exactly two heads?

Coin tosses are what we call Independent Events, meaning that the results of one toss have no effect on the next toss or any thereafter. Therefore the probability of each toss is 1/2. If, however, you want to know the probability of tossing two coins, and each coin landing heads-up, you simply multiply their probabilities together, resulting in 1/4.

### Probability of getting 1 head tossing two coins?

By tossing two coins the possible outcomes are:H & HH & TT & HT & TThus the probability of getting exactly 1 head is 2 out 4 or 50%. If the question was what is the probability of getting at least 1 head then the probability is 3 out of 4 or 75%

### What is the probability of getting tails if a coin is tossed 4 times?

If you look at the as the probability of getting 1 or more tail in 4 coin tosses, you would then calculate the probability of tossing 4 heads in a row and subracting that from 1. The probability fo tossing 4 heads is 1/2 * 1/2 * 1/2 * 1/2 = 1/16. 1 - 1/16 = 15/16.

### A coin is tossed twice what is the probability that it will show heads both times?

The probability is 0.25.Look at it this way--if you toss a coin twice, there are four equally-probable outcomes:tails, tailstails, headsheads, tailsheads, headsSo the probability of heads twice in a row is one in four, or 25%.the chance of tossing heads is 1/2 (50%) The chance of tossing the next heads is 1/2 (50%) 1/2 x 1/2 = 1/4 (25%)

### What is the probability that a tail will appear when tossing 2 fair coins?

75% The chance of not having a tails but a heads on both coins is (1/2)2 or 25%, so the chance of actually having a tails on either coin is 3/4, or as a percentage 75% .

### What is the probability of NOT tossing two heads on two fair coins?

The probability of tossing two coins one time and not getting two heads is 3/4 or 75%. The possible out comes of this are: HH, HT, TH, TT. There is only one way to get two heads, out of four possible results. Another, faster way to do this problem would be to multiply the probability of getting one head on one coin (1/2) by the probability of getting a head on another coin (also 1/2). This will result in 1/4. Because you want every result BUT this one, subract this answer from one. You will get the an answer of 3/4. This may not seem like a faster method when writing it out, but with a larger number of coins it would save a lot of time, because you do not have to go through all of the combinations.

### What is the probability of tossing a 4 on a regular numerical cube?

The probability of tossing a 4 is 1 out of 6 sides, or 1/6. Hope this helps!

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