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Compound Probability 1
Compound Probability 2
Compound Probability 3
100
What is the probability of tossing two fair coins with heads side up? P(heads)
What is 1/4?
100
Rick takes two coins at random from the 3 quarters, 5 dimes, and 2 nickels in his pocket. What is the probability that he chooses a quarter followed by a dime? P(quarter, then dime)
What is 1/6?
100
Two red counters and two white counters a placed in a bag. Find the probability of choosing a red counter followed by a white counted with replacement. P(red, then white)
What is 1/4?
200
Two red counters and two white counters are placed in a bag. What is the probability of pulling a red counter, followed by a white counter without replacement? P(red, then white)
What is 1/3?
200

A number cube is rolled and a spinner labeled A - E is spun. Find the probability of rolling a 3 and landing on E

What is 1/30?

200

If you flip three fair coins, what is the probability that you'll get heads on the first two flips and tails on the last flip?

What is 1/8?

300
What is the probability of a teacher choosing all answers as C's on a five questions multiple choice quiz with three choices: A, B, and C?
What is 1/243?
300
A number cube is rolled and a spinner labeled A - E is spun. Find the probability. P(an odd number and a consonant)
What is 3/10?
300
Colt's clothes closet contains 3 blue shirts, 10 white shirts, and 7 striped shirts. What is the probability that Colt will reach in and randomly select a white shirt followed by a striped shirt? P(white, then striped)
what is 7/38?
400

You're playing a game where you defend your village from an orc invasion. There are 3 characters (elf, hobbit, or human) and 5 defense tools (magic, sword, shield, slingshot, or umbrella) to pick from.

If you randomly choose your character and tool, what is the probability that you won't be a hobbit or use an umbrella?

8/15

400
If a fair coin is tossed three times, what is the probability of getting tails three times in a row? P(three tails)
What is 1/8?
400

You've decided you want a plant for your room. At the gardening store, there are 4 different kinds of plants (tulip, fern, cactus, and ficus) and 4 different kinds of pots to hold the plants (clay pot, plastic pot, metal pot, and wood pot).

If you randomly pick the plant and the pot, what is the probability that you'll end up with a tulip in a plastic pot?

1/16

500

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails?

1/13

500
There are 1 red marble, 2 orange marbles, 3 yellow marbles, and 4 green marbles in a bag. Once a marble is drawn, it is not replaced. Find the probability. P(two yellows in a row)
What is 1/15?
500
Each time a baby is born, the chance for either a boy or a girl is one-half. Find the probability that a family of five children has five girls. P(five girls)
What is 1/32?