Probability Test

Teachers at Bell want to study how long students use their phones each day. Which is the best method of getting a random sample?

• Randomly select 150 Bell students from a list of all students.

• Randomly select 50 students from a list of those that have had their phones taken away at school.

• Ask 100 students from Mrs. Sheppard's classes.

• Randomly select 150 7th graders from a list of 7th graders at Bell.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Vanessa wants to know what sport 7th grade students at Bell like the best. Which is the best method of getting an unbiased sample?

• Randomly select 50 students playing soccer at lunch.

• Ask Mr. Holmes what the best sport is.

• Randomly select 100 7th graders out of a list of all 7th graders.

• Randomly select 200 students out of a list of all students at Bell.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine the likelihood of the event: picking a green shirt from a drawer with 7 blue shirts and 4 green shirts.

• Certain

• Impossible

• As likely as not

• Likely

• Unlikely

Tags

CCSS.7.SP.C.5

Determine the likelihood of the event: drawing a red card from a standard deck of playing cards (52 cards with 26 red cards and 26 black cards)

• Certain

• Impossible

• As likely as not

• Likely

• Unlikely

Tags

CCSS.7.SP.C.5

Determine the likelihood of the event: drawing a yellow marble out of a jar filled with 12 blue marbles, 13 pink marbles, 2 green marbles, and 23 white marbles.

• Certain

• Impossible

• As likely as not

• Likely

• Unlikely

Tags

CCSS.7.SP.C.5

A car dealership record 200 vehicle sales during their Memorial Day Event. What is the experimental probability that the next sale during that event is a silver car?

• $\frac{23}{200}$

• $\frac{1}{2}$

• $\frac{23}{100}$

• $\frac{13}{100}$

Tags

CCSS.7.SP.C.6

A car dealership record 200 vehicle sales during their Memorial Day Event. What is the experimental probability that the next sale during that event is NOT a red truck?

• $\frac{21}{100}$

• $\frac{79}{100}$

• $\frac{9}{50}$

• $\frac{41}{100}$

Tags

CCSS.7.SP.C.6

A spinner has 10 equal sections marked 1 through 10. What is the probability you spin and land on a number greater than 6

• $\frac{3}{5}$

• $\frac{1}{2}$

• $\frac{1}{4}$

• $\frac{2}{5}$

Tags

CCSS.7.SP.C.7B

There are four kings, four queens, and four jacks in a standard deck of 52 cards. These are known as the face cards. What is the probability drawing a face card at random?

•  $\frac{3}{13}$  

•  $\frac{1}{26}$  

•  $\frac{3}{26}$  

•  $\frac{1}{13}$  

Tags

CCSS.7.SP.C.7B

You have a spinner numbered 1-5 with 5 equal sections and a standard die. What is the compound probability that you spin the spinner and it land on a number greater than 2 and roll a 6 on the die?

• $\frac{3}{5}$

• $\frac{1}{6}$

• $\frac{1}{10}$

• $\frac{3}{10}$

Tags

CCSS.HSS.CP.B.7