Statistics Fsa Exam 5

26 Questions | Total Attempts: 65

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Statistics Fsa Exam 5

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Questions and Answers
  • 1. 
    A rectangular garden 24 ft by 50 ft is enclosed by a fence. If a path of uniform width, x feet, is built inside the fence and a rectangular plot of grass with area of 400 square ft is left in the middle of the garden. Which of the following statements can be used to solve for the width, x, of the path?
    • A. 
    • B. 
    • C. 
    • D. 
  • 2. 
    Find the x-intercept of the equation y = 3x - 6
    • A. 

      (0, -6)

    • B. 

      (-6, 0)

    • C. 

      (2, 0)

    • D. 

      (0, 2)

  • 3. 
    Nate is saving up to purchase a new computer.  He has $175 already and can save $20 per month.  How long will it take him to save $515?
    • A. 

      17 months

    • B. 

      34 months

    • C. 

      26 months

    • D. 

      20 months

  • 4. 
    A cell-phone company charges $10 per month plus $0.10 per minute.  How many minutes can Tori use if she budgeted $30 per month for her cell-phone bill?
    • A. 

      2000 min

    • B. 

      300 min

    • C. 

      20 min

    • D. 

      200 min

  • 5. 
    A music store is offering a coupon promotion on its CD's. The regular price for CD's is $14. With the coupon, customers are given $4 off the total purchase. The equation t = 14c - 4, where c is the number of CD's and t is the total cost of the purchase, models this situation. Find the total cost for a sale of 6 CD's
  • 6. 
    { (1,3), (2,3), (5,3), (9, 3)}
    • A. 

      Function

    • B. 

      Non-Function

  • 7. 
    {(3,1), (5,2), (11, 1), (3,4)}
    • A. 

      Function

    • B. 

      Non-Function

  • 8. 
    • A. 

      Function

    • B. 

      Non-Function

  • 9. 
    • A. 

      K=A-2c

    • B. 

      K=2-A/c

    • C. 

      K=2Ac

    • D. 

      K=A/2c

    • E. 

      K=A/(2c)

  • 10. 
    • A. 

      Q=3(R+H)

    • B. 

      Q=1/3R-H

    • C. 

      Q=3R-H

    • D. 

      Q=3(R-H)

    • E. 

      Q=1/3R+H

  • 11. 
    1/2x = 9
    • A. 

      X = 18

    • B. 

      X = 11

    • C. 

      X = -9

    • D. 

      X = 27

  • 12. 
    -2 + x = -27
    • A. 

      X = 17

    • B. 

      X = -25

    • C. 

      X = 4

    • D. 

      X = 15

  • 13. 
    • A. 

      Y=x-3/2

    • B. 

      Y=-2x-3

    • C. 

      Y=-x-3/2

    • D. 

      Y=-2x+3/2

    • E. 

      Y=-2x-3/2

  • 14. 
    • A. 

      30

    • B. 

      20

    • C. 

      60

    • D. 

      40

  • 15. 
    • A. 

      Yes, the percentage of students who prefer movies is higher than the percentage students who prefer sports.

    • B. 

      Yes, the number of females who prefer movies is higher than the number of females who prefer sports.

    • C. 

      No, the percentage of students who prefer sports is higher than the percentage of students who prefer movies.

    • D. 

      There is not enough information given to make an assumption regarding the likelihood of a student choosing movies over sports.

  • 16. 
  • 17. 
  • 18. 
    A professor determined the relationship between the time spent studying (in hours) and performance on an exam.  Performance = 70.443 + 4.885 * (time) Ann studied 2.6 hours for the last exam. However there was a concert in town the night before and her score was 16 points lower than expected. What was her score on this exam, rounded to the nearest integer?
  • 19. 
    At the district competition for 5th grade jump-roper of the year, the following number of jumps without stopping were recorded per student: 203,245,237,233,90,100,100,277,265,264,265,285,288,291,  291,290,300,224,200,257,290,279,266,288 What is the mean number of jumps, rounded to the nearest hundredth?
  • 20. 
    • A. 

      30

    • B. 

      40

    • C. 

      50

    • D. 

      60

  • 21. 
    There are 25 students in Mrs. Venetozzi’s class at the beginning of the school year, and the average number of siblings for each student is 3. A new student with 8 siblings joins the class in November. What is the new class average for number of siblings? Round your answer to the nearest hundredth.
  • 22. 
    Which of the following is a factor of x2 -2x -24?
    • A. 

      X+2

    • B. 

      X-4

    • C. 

      X+6

    • D. 

      X-6

  • 23. 
    Write the following expression in factored form. 2x2+x-15.
  • 24. 
    Which of the following are factors of 2x2 -4x -6? Select all that apply
    • A. 

      2

    • B. 

      4

    • C. 

      X-1

    • D. 

      X+1

    • E. 

      X-3

    • F. 

      X+3

  • 25. 
    What is the product of (3x+2y) and (-x-y)?
    • A. 

      -3x2+5x-2y2

    • B. 

      -3x2-5x+2y2

    • C. 

      -3x2-5x-2y2

    • D. 

      3x2-5x-2y2

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