probabilities lie between 0% and 100% as percentages, or between 0 and 1 written as decimals.
a) Describe two events where the probability is 0%
b) Describe two events where the probability is 100%
a)
1) Flipping a coin and it landing on its side
2) Drawing a card from a standard deck of cards and it being both a red card and a black card at the same time
b)
1) Rolling a fair six-sided die and it landing on any number from 1 to 6
2) Drawing a card from a standard deck of cards and it being either a red card or a black card