![subject](/tpl/images/cats/mat.png)
Mathematics, 07.03.2020 03:32 corriganpelton
The lengths of pregnancies are normally distributed with a mean of 268268 days and a standard deviation of 1515 days. a. Find the probability of a pregnancy lasting 307307 days or longer. b. If the length of pregnancy is in the lowest 33%, then the baby is premature. Find the length that separates premature babies from those who are not premature.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:20
Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:40
Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)
Answers: 3
You know the right answer?
The lengths of pregnancies are normally distributed with a mean of 268268 days and a standard deviat...
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.10.2019 09:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.10.2019 09:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.10.2019 09:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 31.10.2019 09:31
![question](/tpl/images/cats/istoriya.png)
History, 31.10.2019 09:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 31.10.2019 09:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.10.2019 09:31
![question](/tpl/images/cats/en.png)
English, 31.10.2019 09:31
![question](/tpl/images/cats/mat.png)
Mathematics, 31.10.2019 09:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)