1/2 x 1/2 x 1/2 = 1/8 or 0.125 also 12.5%
2/9
The probabilty of you flipping 3 coins and getting all heads or tails is 0.125 or 1/8.
1 chance in 4
It is the event that one of the two coins lands showing tails and the other shows heads.
Heads ( H ) Tails ( T ) HH , TT , HT , TH
2/9
The probability of tossing two heads in two coins is 0.25.
The probabilty of you flipping 3 coins and getting all heads or tails is 0.125 or 1/8.
If they are fair coins, it is 1/16.
10/32 = 5/16
(0.5)n
3
There are 4 events: 3 heads, 2 heads 1 tail, 1 head 2 tails, and 3 tails.
6/16 = 3/8
Coins do not have numbers, there is only the probability of heads or tails.
1 chance in 4
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