On Roy's shelf are:

-6 mystery books

-5 science books

-4 history books

-3 adventure books

Roy will randomly choose 1 book to read. What is the probability that he will choose an adventure book?

• 1/3

• 1/18

• 1/5

• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a candy that is not lemon?

• 3

• 1/10

• 3/10

• 90%

A number cube with faces labeled from 1 to 6 was rolled 20 times. Each time the number cube was rolled, the number showing on the top face was recorded. The table shows the results. Based on these results, what is the experimental probability that the next time the number cube is rolled it will land with 5 or 6 showing on the top face?

• 2/5

• 3/20

• 1/3

• 3/5

Dependent or Independent:
You flip a coin and then roll a fair six-sided die.  The coin lands heads-up and the die shows a one.

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

A jar contains 8 green, 4 blue, 10 red, and 2 yellow Skittles. A Skittle is randomly drawn, REPLACED, then another is drawn. Find each probability.

P(both red)

• 5/144

• 5/138

• 25/140

• 25/144

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Cole has two bags of marbles. The first bag contains 6 red, 5 blue, & 4 green marbles. The second bag contains 3 red, 2 blue, & 4 green marbles. Cole will randomly select 1 marble from each bag. What is the probability he selects a blue marble from each bag?

• 5/9

• 1/35

• 1/6

• 2/27

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Clare has a bag of marbles. She picks a marble at random and then picks another marble at random without replacing the first marble.

• Dependent

• Independent

A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, not replaced, then another is chosen. Find the probability:

P (penny, then dime).

• 1/8

• 9/100

• 6/65

• 17/195

A cookie jar has 3 chocolate chip, 1 peanut butter, and 2 oatmeal raisin cookies. If Megan chooses a cookie, does not replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?

• 2/3

• 1/10

• 6/71

• 11/72

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  

• 6
• 12
• 24
• 36

Tags

CCSS.7.SP.C.8