![subject](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 12:50 kylomi42
2. twenty teenagers were asked the question “how many hours of sleep do get a night? ”. the sample had a mean of 6.5 hours and a standard deviation of 0.75 hours. find the 95% confidence interval for the number of hours of sleep per night. show all your work the way we did in class!
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:10
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
What is the graph of the absolute value equation ? y=|x|-5
Answers: 1
You know the right answer?
2. twenty teenagers were asked the question “how many hours of sleep do get a night? ”. the sample h...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 17.09.2020 14:01
![question](/tpl/images/cats/fizika.png)
Physics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/en.png)
English, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/fr.png)
French, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 17.09.2020 14:01