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 150 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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

For a complete list of videos, visit our video library