Maths
The probability of flipping a coin and landing heads.
50%
What is the chance of randomly selecting oxygen out of all the elements in the periodic table
1/118
0%
What is the chance of choosing oxygen out of the first 20, and then choosing oxygen again the next try?
1/400
What is the chance of both getting a 1 on a fair sided dice, and flipping a head on a coin, at the same time?
1/12
What is the probability of getting a prime number in the first 1-100 numbers?
1/4
Calculate 5P4
120