Prob & Stat Q1 Final Exam

 $97=-3\left(6n-5\right)-8$  

•  $-10$  

•  $16$  

•  $-5$  

•  $-2$  

Tags

CCSS.7.EE.B.4A

• x = 24
• x = 12
• x = 17.5
• x = 19.5

Tags

CCSS.7.EE.B.4A

Isiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables above.

Which statement is true about these data?

• The median salaries in both companies are greater than $37,000

• The mean salary in company 1 is greater than the mean salary in company 2

• The salary range in company 2 is greater than the salary range in company 1

• The mean age of workers at company 1 is greater than the mean age of workers at company 2

Tags

CCSS.HSS.ID.A.3

Within what frequency range did most students pay for their textbooks?

• 80-99

• 100-109

• 110-119

• 120-129

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

A 2013 survey examined the attitudes of students about the use of mobile devices in

learning. The results of the survey are summarized in the following table and the corresponding bar graph. The percentages given are for the number of high school students who reported using the technology at least a few times a week in doing schoolwork.

Using the table, what is the sum of percentages of laptop use and full-size tablet use for schoolwork?

• 43%

• 98%

• 85%

• 56%

Tags

CCSS.3.MD.B.3

Tina spends _____ of her day at work.

• 33%
• 29%
• 9%
• 6%

Tags

CCSS.6.RP.A.3C

The elements of   $A'$   are...

• {1,4}

• {1,4,6,8,9,10}

• {5,7,11}

• {5,6,7,8,9,10,11}

Tags

CCSS.HSS.CP.A.1

 $\left(A\cap B\right)'$  

• {1,2,3,4,5,7,8}

• {1,3,4,8}

• {1,3,4,5,7,8}

• {5,7}

Tags

CCSS.HSS.CP.A.1

 $\left(A\cup B\right)'$  

• {1,2,3,4,5,7,8}

• {1,3,4,8}

• {1,3,4,5,7,8}

• {5,7}

Tags

CCSS.HSS.CP.A.1

On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons, and 10 large containers that each weighed 8 tons.

Find the mean weight of the containers on this ship.

• 4.5 tons

• 4 tons

• 5 tons

• 5.5 tons

Tags

CCSS.6.SP.B.5C