Probability

What is the probability that you choose blue? *simplify

5 green

6 yellow

8 blue

7 brown

• 8/26

• 4/13

• 8/25

• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability the spinner stops on yellow?

• .05

• 50%

• 25%

• 3/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A die is rolled. What is the probability that the result is less than 3 ?

• 1/2
• 1/3
• 1/4
• 1/6

Tags

CCSS.7.SP.C.5

A key ring has 12 keys, 3 of which open the house door. If two keys are randomly selected without replacement, what is the probability that both keys don't open the door?

• $\frac{1}{22}$

• $\frac{6}{11}$

• $\frac{9}{16}$

• $\frac{21}{22}$

There are 9 movies showing at a theater. Two are action movies, two are children’s movies, and the other movies are comedies. Ashley randomly selects 2 different movies to see. What is the probability that the first movie is an action movie and the second movie is a comedy?

• $\frac{1}{18}$

• $\frac{10}{81}$

• $\frac{5}{36}$

• $\frac{7}{9}$

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

Sonia has 5 yellow hair clips, 2 red hair clips, and 3 blue hair clips in her purse. What is the probability that she will randomly select one yellow hair clip and one blue hair clip without replacement?

• $\frac{3}{20}$

• $\frac{1}{6}$

• $\frac{15}{56}$

• $\frac{8}{15}$

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

A bag contains 5 red marbles, 4 blue marbles, and 3 green marbles. Joshua will select a marble at random, record its color, and then put the marble back in the bag. He will select three marbles in this way. What is the probability that Joshua will first get a red marble, then a blue marble, and then a green marble?

• $\frac{1}{60}$

• $\frac{5}{144}$

• $\frac{5}{12}$

• $\frac{47}{60}$

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.B.8

A stack of magazines has 5 news magazines and 10 sports magazines. Two magazines are drawn at random without replacement. What is the probability of selecting a news magazine first and then a sports magazine?

• $\frac{1}{5}$

• $\frac{3}{14}$

• $\frac{2}{9}$

• $\frac{5}{21}$

Tags

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

Nick randomly selects a digit from the set {0, 1, 2, ..., 9} and a letter from the set {A, B, C, ..., Z}. Matthew will try to guess both the digit and the letter. Which expression gives the probability that Matthew will incorrectly guess both the digit and the letter?

• $\frac{1}{10}+\frac{1}{26}$

• $\frac{1}{10}\times\frac{1}{26}$

• $\frac{9}{10}+\frac{25}{26}$

• $\frac{9}{10}\times\frac{25}{26}$

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.2

CCSS.HSS.CP.B.8