« previous next »

Author Question: In a local university, 40 of the students live in the dormitories. A random sample of 80 students is ... (Read 177 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
on: Jun 24, 2018
In a local university, 40 of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.50 is
 a. 0.4664
   b. 0.9328
   c. 0.0336
   d. 0.0672

Question 2

A test used to determine whether or not first-order autocorrelation is present is
 a. serial-autocorrelation test.
  b. t test.
  c. chi-square test.
  d. Durbin-Watson Test.


Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Many older adults live active lives well into their eighties and beyond. Many older adults live active lives well into their eighties and beyond.
Where U.S. Latinos Live Where U.S. Latinos Live
Sample budget spreadsheet form for first year of business. Sample budget spreadsheet form for first year of business.
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
What is the [OH-] in a seawater sample if the pH is 8.65? What is the [OH-] in a seawater sample if the pH is 8.65?
The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ... The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ...
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

For a complete list of videos, visit our video library