There are 20 balls in a box, 10 are green, 5 are blue, and 5 are red. One red and one green ball are then removed from the box.

What is the probability that the third ball removed from the box will be green?

A coin is flipped seven times. What is the probability of getting heads six or fewer times?

When rolling a die, what is the probability you roll a number less than or equal to ? Give your answer as a reduced fraction.

A coin is flipped four times. What is the probability of getting heads at least three times?

When rolling a die, what is the probability you roll a number less than or equal to ? Give your answer as a reduced fraction.

There are 20 balls in a box, 10 are green, 5 are blue, and 5 are red. One red and one green ball are then removed from the box.

What is the probability that the third ball removed from the box will be green?

A coin is flipped seven times. What is the probability of getting heads six or fewer times?

Presented with a deck of fifty-two cards (no jokers), what is the probability of drawing either a face card or a spade?

A coin is flipped four times. What is the probability of getting heads at least three times?

Presented with a deck of fifty-two cards (no jokers), what is the probability of drawing either a face card or a spade?