![subject](/tpl/images/cats/mat.png)
Mathematics, 30.11.2019 02:31 michaylabucknep7u3y2
Previous studies on sleep tendencies report that, on average, an adult american will sleep for 6 hours each night with a standard deviation of 0.75 hours. you survey a srs of 100 adult americans and determine that the mean sleep time is 5 hours. which hypothesis test should be used here?
a. one-sample t-test for means.
b. one-sample z-test for means.
c. one sample z-test for proportions.
d. one sample t-test for proportions.
e. chi-squared goodness of fit test.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00, mosesbrinker
Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
You know the right answer?
Previous studies on sleep tendencies report that, on average, an adult american will sleep for 6 hou...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 25.02.2021 21:50
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 25.02.2021 21:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 21:50
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)
English, 25.02.2021 21:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/ekonomika.png)
Business, 25.02.2021 21:50
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 25.02.2021 21:50