Probability

# Whats the probability of getting at most one heads when two fair coins are tossed?

###### Wiki User

When two fair coins are tossed, you have the following possible outcomes:

HH, HT, TH, TT.

So, at most implies that you get either i) zero heads or ii) one head.

From the possible outcomes we see that 3 times we satisify the outcome.

Thus, probability of at most one head is 3/4.

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## Related Questions

### What is the probability of getting one head if 3 coins are tossed?

3/8 * * * * * That is the probability of getting EXACTLY 1H. The prob of getting one (or more) head is 7/8

### Two coins are tossed what is the probability of getting a head?

is it 50% or 100% dang, i just confused myself. what if you toss 3 coins all at the same time... what's the probability of getting a head then, is it &gt; 100% ? Doh!

### What is a probability of getting a two tails in first two chances if coin is tossed 10 times simultaneously?

The probability of getting two tails in the first two is 1/4. And it does not matter how many more times the coins are tossed after the first two tosses.

### If a coin is tossed then what is the probability that the number is 5?

Coins do not have numbers, there is only the probability of heads or tails.

### What is the probability of getting at most one head when two coins are tossed?

Sample space for two coins tossed is: HH HT TH TT Therefore at most one head is HT TH TT or 3/4 or 0.75.

### If 5 coins are tossed what is the probability of getting one winner?

The answer depends on what a winner is: 1 H?, a run of 3 H?If the winner is one H, the probability of getting exactly one winner - no more no fewer - is 5/32.

### 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

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