This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The producer of a certain medicine claims that their bottling equipment is very accurate and that ... (Read 21 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Aug 1, 2018
The producer of a certain medicine claims that their bottling equipment is very accurate and that the standard deviation of all their filled bottles is .1 ounces or less. A sample of 20 bottles showed a standard deviation of .11 ounces. The test statistic to test the claim is
 a. 2.3.
  b. 22.99.
  c. 4.85.
  d. 24.2.

Question 2

The manager of the service department of a local car dealership has noted that the service times of a sample of 30 new automobiles has a standard deviation of 6 minutes. A 95 confidence interval estimate for the standard deviation of the service times (in minutes) for all their new automobiles is
 a. 16.047 to 45.722.
  b. 4.778 to 8.066.
  c. 2.93 to 6.31.
  d. 22.833 to 65.059.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hramirez205

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Aug 1, 2018
Answer to Question 1

b

Answer to Question 2

b


stevenposner

  • Hero Member
  • *****
  • Posts: 608
Reply #2 on: Aug 1, 2018
Thank you!


hramirez205

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Aug 1, 2018
Always glad to help...


« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Scoliometer and Its Use, Equipment Scoliometer and Its Use, Equipment
Oxygen Equipment 2 Oxygen Equipment 2
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
Functional medicine Functional medicine
CT scan equipment. CT scan equipment.
Video: Membrane transport proteins - pores, gated channels and pumps

For a complete list of videos, visit our video library