You use the Binomial distribution formula
P(1 head out of 5 tosses) = 5C1 (1/2)^1 (1/2)^4 = 5 / 32
The probability of flipping a coin 3 times and getting 3 heads is 1/2
25%
6.25%
If the coin is not biased, the answer is 0.375
The probability of flipping a fair coin four times and getting four heads is 1 in 16, or 0.0625. That is simply the probability of one head (0.5) raised to the power of 4.
The probability of flipping a coin 3 times and getting 3 heads is 1/2
the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9.
25%
6.25%
If the coin is not biased, the answer is 0.375
50% or 5
1 out of 16
1/2
very low
The probability of tossing a coin and getting heads is 0.5
.125
1/4