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

Author Question: Interval estimates for the variance of a normal population rely on the random variable (n - 1)s2 / ... (Read 96 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
on: Jun 24, 2018
Interval estimates for the variance of a normal population rely on the random variable (n - 1)s2 / 2, which follows:
 
  A) a normal distribution.
  B) a binomial distribution.
  C) the Poisson distribution.
  D) a chi-square distribution.

Question 2

Which of the following statements is true given that the events A and B have nonzero probabilities?
 
  A) A and B cannot be both independent and mutually exclusive.
  B) A and B can be both independent and mutually exclusive.
  C) A and B are always independent.
  D) A and B are always mutually exclusive.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fraziera112

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

A


Jramos095

  • Member
  • Posts: 528
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
HIV Population Worldwide HIV Population Worldwide
Normal ECG tracing. Normal ECG tracing.
The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ... The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ...
The population of a city has continued to grow since 1950. The population of a city has continued to grow since 1950.
Video: Alzheimer's Disease

For a complete list of videos, visit our video library