If you toss a coin 10 times and count 58 heads, you know the coin is NOT fair.
No, when you toss a coin there is a 50 percent chance it will land heads up.
tails
heads
Knowing the results in advance, there is a 7/10 chance that the first toss is heads. In this case "seven out of ten" is quite literal. The first toss is one of the 10, and 7 of them came up heads, so 7/10 is the chance that this particular one is one of the heads.
the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9.
If you toss a coin 10 times and count 58 heads, you know the coin is NOT fair.
No, when you toss a coin there is a 50 percent chance it will land heads up.
tails
It was heads.
heads
The probability of a coin landing on heads is 0.5. It does not matter which toss it is, and it does not matter what the toss history was.
Knowing the results in advance, there is a 7/10 chance that the first toss is heads. In this case "seven out of ten" is quite literal. The first toss is one of the 10, and 7 of them came up heads, so 7/10 is the chance that this particular one is one of the heads.
heads
It was heads
50% or 1/2. There is 1 heads on a coin (numerator) There are 2 sides on a coin (denominator)
Probability = 0.5