Compound Probability

A bag of marbles are either blue, green, or red. If you replace after the 1st pick, what is: Probability (Red, Red)

• $\frac{16}{81}$

• $\frac{8}{9}$

• $\frac{15}{56}$

• $\frac{21}{34}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag has blue, green, or red marbles. If you replace after the 1st pick, what is: P( Blue, Green)?

•  $\frac{2}{27}$ 

•  $\frac{5}{9}$ 

•  $\frac{15}{56}$ 

•  $\frac{3}{32}$ 

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Is choosing randomly, and replacing after the 1st pick, what is the Probability of picking striped, then white.

• $\frac{1}{20}$

• $\frac{3}{50}$

• $\frac{3}{100}$

• $\frac{9}{10}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of picking a white marble, replacing it, and then picking a marble that isn't white?

•  $\frac{7}{100}$  

•  $\frac{9}{100}$  

•  $\frac{1}{10}$  

•  $\frac{9}{10}$  

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of the spinning both and getting A and 1?

• $\frac{1}{3}$

• $\frac{1}{5}$

• $\frac{2}{7}$

• $\frac{1}{12}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of both spinning red and rolling an odd number?

• $\frac{1}{4}$

• $\frac{2}{4}$

• $\frac{3}{8}$

• $\frac{1}{12}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

At an assembly, 7 of the first 10 students who entered the gym were carrying a backpack. Based on this, if 700 total students enter the gym, how many students will likely be wearing a backpack?

• 490

• 350

• 600

• 250

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.SP.A.1

CCSS.7.SP.A.2

If this 8-section spinner is spun 120 times, how many times would one expect to land on an even number?

• 75

• 45

• 15

• 40

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

CCSS.7.SP.C.6

What is the probability of selecting the black ball, not replacing it, and then selecting a white ball?

• $\frac{1}{15}$

• $\frac{4}{15}$

• $\frac{1}{2}$

• $\frac{3}{11}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

If a tile is randomly chosen, not replaced, and then another is chosen, what is the probability of getting red, then blue?

• $\frac{3}{44}$

• $\frac{6}{12}$

• $\frac{5}{23}$

• $\frac{1}{18}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8