This topic contains a solution. Click here to go to the answer

Author Question: For the interval estimation of when is assumed known, the proper distribution to use is the_____. ... (Read 63 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
For the interval estimation of  when  is assumed known, the proper distribution to use is the_____.
 a. standard normal distribution
  b. t distribution with n degrees of freedom
  c. t distribution with n  1 degrees of freedom
  d. t distribution with n  2 degrees of freedom

Question 2

The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes. The probability that she will finish her trip in 80 minutes or less is _____.
 a. .02
  b. .8
  c. .2
  d. 1



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

a

Answer to Question 2

b





 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

For a complete list of videos, visit our video library