![subject](/tpl/images/cats/mat.png)
Mathematics, 11.06.2021 02:30 lupitasalas9283
Suppose that the lifetimes of TV tubes are normally distributed with a standard deviation of 1.1 years. Suppose also that exactly 20% of the tubes die before 4 years. Find the mean lifetime of TV tubes. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30, msdmdsm1186
Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?
Answers: 3
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:20, oofoofoof1
Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done
Answers: 2
![image](/tpl/images/cats/mat.png)
You know the right answer?
Suppose that the lifetimes of TV tubes are normally distributed with a standard deviation of 1.1 yea...
Questions in other subjects:
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 11.10.2019 09:10
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 11.10.2019 09:10
![Konu](/tpl/images/cats/en.png)
English, 11.10.2019 09:10
![Konu](/tpl/images/cats/geografiya.png)
Geography, 11.10.2019 09:10
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 11.10.2019 09:10