Answer:
A is correct
Step-by-step explanation:
x must be greater or equal to 0
Answer:
the answer for your question is coordination
Answer:
(3,0)
Step-by-step explanation:
8.3333333333333333333333333333333333333 meters I recommend putting 8.3 with a bar notation over the 3
Answer:
The teacher select a sample of n =15 students. And he wanted to know if teaching a smaller class was more effective and students performed better, that means if
and he obtaind a sample mean of
.
Based on this the correct system of hypothesis are:
Null hypothesis: 
Alternative hypothesis: 
And the best option for this case is:
a. H0:
vs. H1:
.
Step-by-step explanation:
For this case we have the following previous info given:
represent the true mean
represent the true deviation
The teacher select a sample of n =15 students. And he wanted to know if teaching a smaller class was more effective and students performed better, that means if
and he obtaind a sample mean of
.
Based on this the correct system of hypothesis are:
Null hypothesis: 
Alternative hypothesis: 
And the best option for this case is:
a. H0:
vs. H1:
.