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

Author Question: In a recent survey, 84 of the community favored building more parks in their neighborhood. You ... (Read 147 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
In a recent survey, 84 of the community favored building more parks in their neighborhood. You randomly select 22 citizens and ask each if he or she thinks the community needs more parks.
 
  Decide whether you can use the normal distribution to approximate the binomial distribution. If so, find the mean and standard deviation. If not, explain why.

Question 2

A small computing center has found that the number of jobs submitted per day to its computers has a distribution that is approximately bell shaped, with a mean of 66 jobs and a standard deviation of 7.
 
  Where do we expect most (approximately 95) of the distribution to fall?
  A) between 52 and 80 jobs per day B) between 52 and 87 jobs per day
  C) between 59 and 73 jobs per day D) between 45 and 87 jobs per day



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blfontai

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

cannot use normal distribution, nq = (22)(0.

Answer to Question 2

A




blfontai

  • Sr. Member
  • ****
  • Posts: 327

 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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.

For a complete list of videos, visit our video library