![subject](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 21:02 kingbot350
A 90% confidence interval for a population mean is (66, 82). The population distribution is approximately normal and the population standard deviation is unknown. This confidence interval is based on a simple random sample of 25 observations. Calculate the sample mean, the margin of error, and the sample standard deviation. (Enter your sample mean and margin of error as whole number
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'
Answers: 1
You know the right answer?
A 90% confidence interval for a population mean is (66, 82). The population distribution is approxim...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/istoriya.png)
History, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/istoriya.png)
History, 13.07.2019 14:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30
![question](/tpl/images/cats/mat.png)
Mathematics, 13.07.2019 14:30