Probability and Statistics 2023

1.      The box and whisker plot below shows the grades class 1 and class 2 received on the math midterm.

 

 

 

              What percent of class 2 scored better than a 65 on the test?

• 25%

• 50%

• 75%

• 100%

Tags

CCSS.7.RP.A.3

CCSS.7.SP.B.4

1) Susana has 4 academy shirts, 3 pairs of jeans and 5 pairs of Nike sneakers. How many different outfits can she make consisting of one shirt, one pair of jeans and one pair of Nike?

• A 12

• B 19

• C 30

• D 60

Tags

CCSS.7.NS.A.3

2) A spinner is divided into 12 equal sections numbered 1-12. What is the probability of landing on a section with a number that is LESS THAN 5?

• 1/2

• 1/3

• 1/4

• 1/6

Tags

CCSS.7.SP.C.5

3) Sophie surveyed 30 random students in her school and 18 said they enjoy watching baseball. A total of 1,050 students are in the school. How many of these are EXPECTED to enjoy watching baseball?

• A 315

• B 504

• C 630

• D 735

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.SP.A.1

CCSS.7.SP.A.2

4) The graph shows the favorite juices of the students in Ms. Williams’ class by color. What is the probability that a student chosen at random will select orange juice as their favorite juice?

• 4/13

• 1/13

• 5/13

• 3/13

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

5) The table shows the results when a die is tossed 180 times. Which number on the die had an experimental probability that matched its theoretical probability?

• A 1

• B 2

• C 5

• D 6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

6) Jan flips a coin and rolls a number cube that is labelled 1-6. Which of the following represents the sample space?

• H,T,1,2,3,4,5,6

• H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6

• H1, T2, H3, T4, H5, T6

• HH, TT, HT, TH

Tags

CCSS.7.SP.C.8

7) Tom flips a coin and spins the spinner shown. What is the probability the coin will land on heads and the spinner will land on red?

• 1/4

• 1/6

• 1/8

• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

8) Charlotte scored 12 goals and missed 3. How many goals should she score by the end of the season if she has a total of 60 attempts?

• A 12 goals

• B 36 goals

• C 48 goals

• D 72 goals

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

9) The table shows the results of a probability experiment. In the experiment, a ball is drawn from a bag. How many times can we predict the result will be a red ball if the experiment is conducted 1,000 times?

• A 10

• B 55

• C 100

• D 850

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7