![subject](/tpl/images/cats/mat.png)
Mathematics, 16.04.2020 22:50 josephdakota
Noise levels at various area urban hospitals were measured in decibels. The mean of the noise levels in 24 randomly selected corridors was 61.8 decibels. The sample standard deviation is 6.9. Find the 90% confidence interval of the true mean. Assume the distribution of noise level is normal.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
A. the probability that a product is defective is 0.1. what is the probability that there will be 1 or less defective products out of the next 8 produced products b.the expected number of imperfections in the coating nylon for parachutes is 6 per 100 yards. what is the probability of finding 12 or fewer imperfections in 260 yards c.in a lot of 54 products there are 9 defective products. calculate the probability that not more than 1 is defective from a random sample of 17 products.
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
Noise levels at various area urban hospitals were measured in decibels. The mean of the noise levels...
Questions
![question](/tpl/images/cats/en.png)
English, 02.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2020 23:01
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 02.10.2020 23:01
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 23:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2020 23:01
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2020 23:01
![question](/tpl/images/cats/himiya.png)
Chemistry, 02.10.2020 23:01
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 23:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 02.10.2020 23:01