Author Question: Which of the following is not true for an exponential distribution with parameter ? a. Mean = . b. ... (Read 142 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
Which of the following is not true for an exponential distribution with parameter ?
 a. Mean = .
  b. Standard deviation = .
  c. The distribution is completely determined once the value of is known.
  d. The distribution is a two-parameter distribution since the mean and standard deviation are equal.

Question 2

Sixty percent of a company's customers are females. What is the probability that a random sample of 200 customers is greater than 64 percent female?
 a. 0.1229
  b. 0.1556
  c. 0.1898
  d. .02158
  e. 0.2847



JYan

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

For a complete list of videos, visit our video library