Sry I’m back I’m really dumb sooooooo yeee it would be great if you could help MORE POINTS
1 answer:
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Answer:
{}U{
}
Step-by-step explanation:
Given the inequality you need to set up two posibilities:
FIRST POSIBILITY :
SECOND POSIBILTY:
Therefore, you got that:
Knowing this, you can write the solution obtained in Set notation. This is:
Solution: {}U{
}
Answer:
The null hypothesis is
The alternative hypothesis is
Step-by-step explanation:
From the question we are told that
The mean of method A is
The standard deviation of method A is
The mean of method B is
The standard deviation of method B is
An appropriate set of null and alternative hypothesis to determine whether Method A increases students points by more than 3 points is
The null hypothesis is
The alternative hypothesis is