![subject](/tpl/images/cats/mat.png)
Mathematics, 20.03.2020 08:45 narutoxptheninja
A maintenance manager must test a new repair method that should increase the expected time between repairs. For each machine used in the study, she recorded the last time between failures prior to using the new method, which she called, "Current", and the first time between failures after using the new method, which she called "New". These are the times (in hours):
Machine 1 2 3 4 5 6 7 8 9 10
Current 155 222 346 287 115 389 183 451 140 252
New 211 345 419 274 244 420 319 505 396 222
A) Conduct the most appropriate hypothesis test using a 0.05 significance level. Use the rejection region approach. (You must clearly specify 5 steps for your test.)
B) Calculate the p-value for the test in A
C) Construct a 95% two-sided confidence interval for the true mean difference.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
A maintenance manager must test a new repair method that should increase the expected time between r...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 10:02
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.05.2020 10:02
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 10:02
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.05.2020 10:02
![question](/tpl/images/cats/ekonomika.png)
Business, 05.05.2020 10:02
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 10:02
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 10:03
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 10:03
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.05.2020 10:03