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

Author Question: Test whether he given claim is supported or not supported using a 0.05 significance level. Assume ... (Read 711 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jan 18, 2020
Test whether he given claim is supported or not supported using a 0.05 significance level. Assume that the sample has been randomly selected from a population with a normal distribution.

A manufacturer claims that the mean lifetime of its fluorescent bulbs is 1300 hours. A product tester selects 25 bulbs and finds the mean lifetime to be 1280 hours with a standard deviation of 80 hours. He claims that the mean lifetime is different from 1300 hours. Use a significance level of 0.05 to test whether the product tester's claim is supported or not supported.
◦ supported
◦ not supported
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dollx on Jan 18, 2020

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jan 18, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


dollx

  • Member
  • Posts: 558
Reply 2 on: Jan 18, 2020
Thanks for the timely response, appreciate it

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui
Bone density test. Bone density test.
Biceps Reflex Test Biceps Reflex Test
Numerical pain level chart with word modifiers. Numerical pain level chart with word modifiers.
Phalen’s test Phalen’s test
Schamroth test A. Healthy nail B. Clubbing Schamroth test A. Healthy nail B. Clubbing
Video: Apicomplexan life cycle Animation

For a complete list of videos, visit our video library