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

Author Question: In hypothesis testing, a Type 1 error occurs when a. the null hypothesis is not rejected when the ... (Read 230 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jul 24, 2018
In hypothesis testing, a Type 1 error occurs when
 a. the null hypothesis is not rejected when the null hypothesis is true.
  b. the null hypothesis is rejected when the null hypothesis is true.
  c. the null hypothesis is not rejected when the alternative hypothesis is true.
  d. the null hypothesis is rejected when the alternative hypothesis is true.

Question 2

The level of nitrogen oxides (NOX) in the exhaust of a particular car model can be modeled by the normal distribution with mean 0.9 grams per mile and standard deviation of 0.16 grams per mile. A random sample of 4 of these NOX levels is to be selected. What is the probability that the average NOX level of the 4 selected cars is greater than 1 gram per mile?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chreslie

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

0.1056


burton19126

  • Member
  • Posts: 532
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Likelihood of Developing Type 2 Diabetes Mellitus Based on BMI Likelihood of Developing Type 2 Diabetes Mellitus Based on BMI
Suture Use, Size, and Type of Material Suture Use, Size, and Type of Material
After testing, be sure to reinstall the relay and the relay cover. After testing, be sure to reinstall the relay and the relay cover.
Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ... Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ...
Testing visual fields by confrontation Testing visual fields by confrontation
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library