![subject](/tpl/images/cats/mat.png)
Mathematics, 08.07.2019 13:00 robert7248
The life expectancy of a typical lightbulb is normally distributed with a mean of 2,000 hours and a standard deviation of 27 hours. what is the probability that a lightbulb will last between 1,975 and 2,050 hours? a. 0.17619 b. 0.32381 c. 0.79165 d. 0.96784
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 12:50
The table shows a pattern of exponents. what is the pattern as the exponents decrease?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:10
Will give brainliest summations with algebraic expressions image shown
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
What are the relative frequencies to the nearest hundredth of the columns of the two-way table?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?
Answers: 1
You know the right answer?
The life expectancy of a typical lightbulb is normally distributed with a mean of 2,000 hours and a...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 13:00
![question](/tpl/images/cats/biologiya.png)
Biology, 04.08.2019 13:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 13:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 13:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 04.08.2019 13:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 04.08.2019 13:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 13:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 13:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 04.08.2019 13:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 13:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 13:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 04.08.2019 13:00