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

Author Question: In hypothesis testing, a Type 1 error occurs when a. the null hypothesis is not rejected when the ... (Read 2571 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
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
Answer to Question 1

B

Answer to Question 2

0.1056




burton19126

  • Member
  • Posts: 532
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library