![subject](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 08:25 jaqwannewsome
At a large university, a sample of 52 evening students was selected in order to determine whether the average age of the evening students is significantly different from 21. The average age of the students in the sample was 21.48 years. The sample standard deviation was 1.3 years. Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.01 level of significance. Choose the t-statistic and the appropriate conclusion.
a. t= 2.6626 ; reject the null hypothesis
b. t=2.2876; reject the null hypothesis
c. t= 2.2876 ; fail to reject the null hypothesis
d. t= 2.6626; fail to reject the null hypothesis
![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
What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:20
Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
At a large university, a sample of 52 evening students was selected in order to determine whether th...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.04.2020 22:11
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:11
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12
![question](/tpl/images/cats/istoriya.png)
History, 25.04.2020 22:12
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12
![question](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 22:12