Answer:
true
Step-by-step explanation:
* substitute 30 for x *
we're left with 15 < 20 which is true
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.
Congruent is the corrrect answer ya
One is 3pi/2 - 2pi = -pi/2
also -7pi/2
Answer:
471.24
Step-by-step explanation: