subject
Business, 29.08.2019 07:30 JazminFarris1038

Amanufacturer claims that the mean lifetime, , of its light bulbs is months. the standard deviation of these lifetimes is months. forty bulbs are selected at random, and their mean lifetime is found to be months. assume that the population is normally distributed. can we conclude, at the level of significance, that the mean lifetime of light bulbs made by this manufacturer differs from months?

ansver
Answers: 1

Another question on Business

question
Business, 21.06.2019 21:20
Vital industries manufactured 2 comma 200 units of its product huge in the month of april. it incurred a total cost of $ 121 comma 000 during the month. out of this $ 121 comma 000, $ 46 comma 000 comprised of direct materials used in the product and the rest was incurred because of the conversion cost involved in the process. ryan had no opening or closing inventory. what will be the total cost per unit of the product, assuming conversion costs contained $ 10 comma 900 of indirect labor?
Answers: 1
question
Business, 22.06.2019 10:00
How has internet access changed and affected globalization from 2003 to 2013? a ten percent increase in internet access has had little effect on globalization. a twenty percent decrease in internet access has had little effect on globalization. a thirty percent increase in internet access has sped up globalization. a fifty percent decrease in internet access has slowed down globalization.
Answers: 1
question
Business, 22.06.2019 12:50
Kendrick is leaving his current position at a company, and charlize is taking over. kendrick set up his powerpoint for easy access for himself. charlize needs to work in the program that is easy for her to use. charlize should reset advanced options
Answers: 3
question
Business, 22.06.2019 17:30
Gary lives in an area that receives high rainfall and thunderstorms throughout the year. which device would be useful to him to maintain his computer?
Answers: 2
You know the right answer?
Amanufacturer claims that the mean lifetime, , of its light bulbs is months. the standard deviation...
Questions
question
Computers and Technology, 28.07.2021 15:40
question
Mathematics, 28.07.2021 15:40
question
Physics, 28.07.2021 15:40
question
Spanish, 28.07.2021 15:40
question
Mathematics, 28.07.2021 15:40
question
Health, 28.07.2021 15:40
question
Mathematics, 28.07.2021 15:40
question
Mathematics, 28.07.2021 15:40
question
Mathematics, 28.07.2021 15:40
question
Mathematics, 28.07.2021 15:40
Questions on the website: 13722367