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 54 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?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library