Miscelaneous
Skills
Problem Solving
Independent Events
Dependent Events
100

What is the probability of flipping a coin 2 times and landing on tails twice? 

What is 1/4  or 25%

100

A coin is tossed, and a number cube is rolled. P(heads and 1)

What is 1/12

100
Ms. Fountaine needs two students to help her with a demonstration for her class of 12 girls and 14 boys. She randomly chooses one student, then another student. P(two girls)
What is 66/325
100
A number cube is rolled and a spinner labeled A-D is spun. P(4 and B)
What is 1/24
100
A bag of marbles contains 6 white, 2 green, 1 red, and 3 blue. Once selected, a marble is not replaced. P(green, blue)
What is 1/22
200

What is the probability of rolling a die 3 times and landing on 3 all three times? 

What is 1/216

200
Four coins are tossed. P(heads)
What is 1/16
200
A bag contains 6 green marbles, 2 blue marbles, and 3 white marbles. Kevin draws one marble from the bag and replaces it. Elliot then draws one marble from the bag. P(blue and white)
What is 6/121
200
A number cube is rolled and a spinner labeled A-D is spun. P(multiple of 2 and C)
What is 1/8
200
A bag of marbles contains 6 white, 2 green, 1 red, and 3 blue. Once selected, a marble is not replaced. P(red, white, blue)
What is 3/220
300

You have a bag of 18 marbles: 12 blue, 3 green, 2 red, and 1 white. What is the probability of picking a blue then a red without putting them back? 

4/51

300
A card is chosen at random from a deck of 52 cards. It is not replaced and a second card is chosen. P(jack and 8)
What is 4/663
300
In a shipment of 50 light bulbs, 7 are defective. Two light bulbs are randomly selected and tested. P(both defective)
What is 3/175
300
A number cube is rolled and a spinner labeled A-D is spun. P(not 5 and not D)
What is 5/8
300
The digits 0-9 are each written on a slip of paper and placed in a hat. Two slips of paper are randomly selected, without replacing the first. P(0 and 7)
What is 1/90
400

You roll a die and flip a coin. What is the probability of rolling a number greater than 2 and landing on heads? 

1/3

400

A jar holds 15 red pencils and 10 blue pencils. One pencil is chosen, replaced, then a second pencil is chosen. P (two red)

What is 9/25

400

80% of all drivers wear seat belts. If three drivers are pulled over, the probability that all would be wearing seat belts. Write as a percent to the nearest tenth.

What is 51.2%

400

A set of 7 cards is labeled 1-7. A second set of 12 cards contains the following colors: 3 green, 6 red, 2 blue, and 1 white. One card from each set is selected. P(6 and green)

What is 1/28

400
Miles randomly selects two pieces of fruit from a basket containing 8 oranges and 4 apples without replacing the first fruit. P(two oranges)
What is 14/33
500

You chose a marble at random 10 times(putting it back each time) and got 4 red and 2 blue and 4 yellow. If there are 250 marbles in the bag, how many would you expect to be red? 

What is 100

500
A CD rack has 8 classical CDs, 5 pop CDs, and 3 rock CDs. One CD is chosen, not replaced, then a second CD is chosen. P (rock and classical)
What is 1/10
500
A nationwide survey showed that 65% of all children in the US prefer chocolate ice cream. If three children are chosen at random, the probability that all three prefer chocolate ice cream. Write as a percent to the nearest tenth.
What is 27.5%
500
A coin is tossed, a number cube is rolled, and a letter is picked from the word PENCIL. P(not tails, multiple of 3, L)
What is 1/36
500
The names of 24 students, of which 14 are boys and 10 are girls, in Mr. Civita's science class are written on cards and placed in a jar. Mr. Civita randomly selects two cards without replacing the first to determine which students will present their lab reports today. P(two girls)
What is 15/92