This topic contains a solution. Click here to go to the answer

Author Question: Sales of a new line of athletic footwear are crucial to the success of a company. The company wishes ... (Read 133 times)

jake

  • Hero Member
  • *****
  • Posts: 538
Sales of a new line of athletic footwear are crucial to the success of a company. The company wishes to estimate the average weekly sales of the new footwear to within 200 with 95 reliability.
 
  The initial sales indicate that the standard deviation of the weekly sales figures is approximately 1400. How many weeks of data must be sampled for the company to get the information it desires?
  A) 97 weeks B) 189 weeks C) 37,648 weeks D) 14 weeks

Question 2

Describe how to use a prospective study to determine if the home teams have an unfair advantage when shooting free-throws.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

B

Answer to Question 2

A prospective study is an observational study in which teams are selected and then their future free-throws are recorded to see if they improve when they have the altered basketballs. The differences in the number or percentage of free-throws made would be compared between the two types of basketballs.




jake

  • Member
  • Posts: 538
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Excellent

 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library