« previous next »

Author Question: About 40 of the general population donate time and energy to community projects. Suppose 15 people ... (Read 123 times)

dejastew

  • Hero Member
  • *****
  • Posts: 562
on: Jun 24, 2018
About 40 of the general population donate time and energy to community projects.
  Suppose 15 people have been randomly selected from a community and each asked
  whether he or she donates time and energy to community projects.
 
  Let x be the number
  who donate time and energy to community projects. Use a binomial probability table to
  find the probability that more than five of the 15 donate time and energy to community
  projects.

Question 2

Both Chebyshev's rule and the empirical rule guarantee that no data item will be more than four
  standard deviations from the mean.
 
  A) True B) False


flannelavenger

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

X is a binomial random variable with n = 15 and p = 0.4.
P(x >

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Photoidentification and the North Atlantic humpback whale population. Photoidentification and the North Atlantic humpback whale population.
The general pattern of progression of an untreated HIV infection The general pattern of progression of an untreated HIV infection
Common Health Problems in Community-Dwelling Older Adults Common Health Problems in Community-Dwelling Older Adults
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ... People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
A symbol showing an engine with an arrow pointing down is used on some General Motors vehicles to ... A symbol showing an engine with an arrow pointing down is used on some General Motors vehicles to ...
Population and Settlement Population and Settlement
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library