Regular Probability
Complementary Probability
Addition Probability
Multiplication Rule
100

A fair 6 sided die is rolled once. What is the probability of rolling a 4 ?

1/6

100

A dice is rolled once, find the probability of NOT getting a 3 ?

5/6

100

A coin is tossed, find the probability of getting a head or tail.

1

100

A coin is tossed, and a die is rolled. Find the probability of the coin landing on tails and rolling a 6

1/12

200

One letter is chosen from the word "APPLE". What is the probability that the letter is a 'P' ?

2/5

200

If you flip a fair coin, what is the probability of it NOT landing on tails ?

1/2

200

A card is drawn from a deck of 52 cards. Find the probability of getting either a queen or a clover.

16/52 OR 4/13

200

A bag has 3 orange marbles and 2 purple marbles. Two marbles are picked one by one without replacement. Find the probability of getting an orange, then a purple

3/10

300

A box contains 10 light bulbs, and 2 of them are defective. If you pick one bulb, what is the probability it is defective ?

2/10

300

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of NOT picking a green marble ?

4/5

300

In a neighborhood of 50 houses, 20 have dogs, 15 have cats, and 5 have both. If you pick a house at random what is the probability they have either a dog OR a cat ?

4/5

300

A crate contains 12 oranges, but 3 are not ripe. If you pick 2 oranges at random to eat, what is the probability of the first one being not ripe and the other being ripe

9/44

400

From a standard deck of 52 cards , what is the probability of drawing a heart ?

13/52

400

If a card is drawn from a standard deck of 52 cards, what is the probability of it NOT being a king ?

12/13

400

On a shelf of 30 books , 10 are hardcovers, 15 are fiction , and 4 are both hardcover and fiction. What is the probability of picking a book that is NEITHER hardcover NOR fiction ?

3/10

400

A box contains 5 blue raspberry Jolly Ranchers, 5 watermelon, and 5 green apple. You randomly select and eat two Jolly Ranchers. What's the probability that both are blue raspberry   

2/21

500

From a standard deck of 52 cards , what is the probability of drawing a queen ?

4/52

500

A jar has 20 jelly beans : 10 yellow, 6 green, and 4 orange. What is the probability of NOT picking a bean that is green ? 

7/10

500

A gym has 80 members. 45 are male, 35 are female. 20 of the males use the pool and 15 of the females use the pool. If a member is drawn at random , what is the probability they are female OR a pool user ?

5/16

500

A digital lock has a 3-digit code (0-9). Each digit is chosen independently. If you guess randomly, what is the probability that you correctly guess the first digit as 7 and the second as 2 ?

1/100