Answer:
2. x = 135
Step-by-step explanation:
im not sure about question 1
Answer:
a. True
Step-by-step explanation:
By ∝= 5% we mean that there are about 5 chances in 100 of incorrectly rejecting a true null hypothesis. To put it in another way , we say that we are 95% confident in making the correct decision.
In the given question the null hypothesis is
H0: u ≤ 1 hour and Ha: u > 1 hour
So there is a 5% chance that the erroneous conclusion will be made that students spend on average more than 1 hour per assignment.
The given statement is true.
Answer:
Yes the triangles are congurant.
Step-by-step explanation:
Because if you can see up and down triangles this means they are congurent.
23 units sure does hope this helps
