« previous next »

Author Question: If the age distribution of customers at a major retail chain is thought to be bell-shaped with a ... (Read 57 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jun 24, 2018
If the age distribution of customers at a major retail chain is thought to be bell-shaped with a mean equal to 43 years and a standard deviation equal to 7 years, the percentage of customers between the ages of 29 and 57 years is:
 
  A) approximately 81.5.
  B) approximately 68.
  C) at least 75.
  D) approximately 95.

Question 2

What is a slack? Explain with an example.
 
  What will be an ideal response?
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
Buy Test-Bank


Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

The slack is the difference between the right- and left-hand sides of a constraint.
For example, consider the following constraint:
7x + 8y  168
If the optimal values of x and y are 5.25 and 10.5 respectively, the slack can be calculated as:
168 - (7  5.25 + 8  10.5 ) = 47.25


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

The small-scale distribution of different tree species in a Douglas-fir forest is determined by both The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there
Cumulative Standard Normal Distribution Cumulative Standard Normal Distribution
Major muscles of the face and head. Major muscles of the face and head.
The growing peptide chain at the P site The growing peptide chain at the P site
Major Types of Introns Major Types of Introns
Video: Second Messengers in the Inositol-lipid Signaling Pathway

For a complete list of videos, visit our video library