Author Question: Which of the following is not true for an exponential distribution with parameter ? a. Mean = . b. ... (Read 126 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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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