![subject](/tpl/images/cats/mat.png)
Mathematics, 04.07.2020 23:01 daydallas01
A 60-watt light bulb advertises that it will last 1500 hours. The lifetimes of these light bulbs is approximately normally distributed with a mean of 1550 hours and a standard deviation of 57 hours. What proportion of these light bulbs will last less than the advertised time
![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 16:00, kissesforlester7097
Given right triangle xyz, which correctly describes the locations of the sides in relation to
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00, candicecorvette
Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.
Answers: 3
You know the right answer?
A 60-watt light bulb advertises that it will last 1500 hours. The lifetimes of these light bulbs is...
Questions in other subjects:
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 12.04.2021 19:40
![Konu](/tpl/images/cats/en.png)
English, 12.04.2021 19:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 12.04.2021 19:40
![Konu](/tpl/images/cats/informatica.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 12.04.2021 19:40
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 12.04.2021 19:40