Author Question: When activity times are uncertain, a. assume they are normally distributed. b. calculate the ... (Read 165 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
When activity times are uncertain,
 a. assume they are normally distributed.
  b. calculate the expected time, using (a + 4m + b)/6.
  c. use the most likely time.
  d. calculate the expected time, using (a + m + b)/3.

Question 2

In a residual plot against x that does NOT suggest we should challenge the assumptions of our regression model, we would expect to see a _____.
 a. horizontal band of points centered near 0
  b. widening band of points
  c. band of points having a slope consistent with that of the regression equation
  d. parabolic band of points



brbarasa

  • Sr. Member
  • ****
  • Posts: 308
Answer to Question 1

B

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

For a complete list of videos, visit our video library