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 6397 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
Thanks for the timely response, appreciate it


patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

For a complete list of videos, visit our video library