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Maths
Science
100

The probability of flipping a coin and landing heads.

50%

100

What is the chance of randomly selecting oxygen out of all the elements in the periodic table

1/118

200
Gerald has a bag with 5 blue marbles, 3 red marbles and 2 yellow marbles. What is the chance of getting a green marble?

0%

200

What is the chance of choosing oxygen out of the first 20, and then choosing oxygen again the next try?

1/400

300

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

400

What is the probability of getting a prime number in the first 1-100 numbers?

1/4

500

Calculate 5P4

120