This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Like the normal distribution, the exponential density function f(x): a. is bell-shaped. b. is ... (Read 229 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
Like the normal distribution, the exponential density function f(x):
 a. is bell-shaped.
  b. is symmetrical.
  c. approaches infinity as x approaches zero.
  d. approaches zero as x approaches infinity.

Question 2

Historically, a company that mails its monthly catalog to potential customers receives orders from 8 percent of the addresses. If 500 addresses are selected randomly from the last mailing, what is the probability that between 35 and 50 orders were received from this sample?
 a. 0.0496
  b. 0.2049
  c. 0.7444
  d. 0.7951
  e. 0.9504


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brbarasa

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

C


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Frequency distribution curve: interpatient variability in drug response. Frequency distribution curve: interpatient variability in drug response.
Unregulated populations "J-shaped curve" Unregulated populations "J-shaped curve"
Periodic Function p2 Periodic Function p2
The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ... The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ...
Physics - Density and Pressure Physics - Density and Pressure
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library