![subject](/tpl/images/cats/mat.png)
Mathematics, 31.12.2019 07:31 hncriciacheichi
Ms. fitness-buff, a high school gym teacher, wants to propose an after-school fitness program. to get an idea of the fitness level of the students at her school, she takes a random sample of 75 students and records the number of hours the students exercised in the past week. her sample mean is 2.25 hours and she knows from past research that the population standard deviation is 2 hours. she wants to know if this varies from a population mean of 3 hours/week.
1 .construct a 95% confidence interval
2. draw a conclusion for a two-sided test at a = .05.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:40
What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
Ms. fitness-buff, a high school gym teacher, wants to propose an after-school fitness program. to ge...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.11.2021 16:10
![question](/tpl/images/cats/User.png)
SAT, 29.11.2021 16:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.11.2021 16:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 29.11.2021 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2021 16:20
![question](/tpl/images/cats/istoriya.png)
History, 29.11.2021 16:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/health.png)
Health, 29.11.2021 16:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.11.2021 16:20
![question](/tpl/images/cats/istoriya.png)
History, 29.11.2021 16:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2021 16:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2021 16:20