Q: Four coins tossed what is the probability of tossing all heads?

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

1/2

The conditional probability is 1/4.

The probability that exactly one will land heads up is 0.15625

It is 3/4 or 0.75

Related questions

The probability of tossing two heads in two coins is 0.25.

The probability is 1/21/21/2*1/2=1/16, or 0.0625 or 6.25%

the probability is 0.03125 or 3.123%

It is 0.3125

P(Heads) = 2/3

0.1222...

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

1/2

The conditional probability is 1/4.

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

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

The probability that exactly one will land heads up is 0.15625