![subject](/tpl/images/cats/mat.png)
Mathematics, 28.07.2020 23:01 dg101502
Identify the value of the TEST STATISTIC used in a hypothesis test of the following claim and sample data:
Claim: "The average battery life (between charges) of this model of tablet is at least 12 hours."
A random sample of 80 of these tablets is selected, and it is found that their average battery life is 11.58 hours with a standard deviation of 1.93 hours. Test the claim at the 0.05 significance level.
a. -0.218
b. -1.645
c. -1.946
d. -1.667
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 15:00, jtingley0502
1. are the triangles similar and if so why? what is the value of x? show your work.
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00, aceves5493
After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30, aleilyg2005
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00, zuleromanos
If log_3(x)=4.5 and log_3(y)=3, what is log_3(x^2/y)? a. 3b. 6.75c. 6d. 1.5
Answers: 2
You know the right answer?
Identify the value of the TEST STATISTIC used in a hypothesis test of the following claim and sample...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 28.06.2019 19:30
![Konu](/tpl/images/cats/mkx.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/es.png)
Spanish, 28.06.2019 19:30
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)