I think the answer is no hope this would help you
Answer:
Z= 0.253
Z∝/2 = ± 1.96
Step-by-step explanation:
Formulate the null and alternative hypotheses as
H0 : u1= u2 against Ha : u1≠ u2 This is a two sided test
Here ∝= 0.005
For alpha by 2 for a two tailed test Z∝/2 = ± 1.96
Standard deviation = s= 15
n= 10
The test statistic used here is
Z = x- x`/ s/√n
Z= 2058- 2046 / 15 / √10
Z= 0.253
Since the calculated value of Z= 0.253 falls in the critical region we reject the null hypothesis.
There is evidence at the 0.05 level that the doors are too short and unusable.
Answer:
C
Step-by-step explanation:
Answer:
=N+8
Step-by-step explanation:
You would remove the parenthesis
Add the numbers together
and the n would = 8
Answer:
24 units
Step-by-step explanation:
In this problem, the area of this shape is measured in units.
1 unit = 1 little square
So, lets count all of the full squares. There are 20 of them.
Now lets count all of the half squares. There are 8 half squares.
Now, if we divide 8 over 2, we get 4 full units.
Now we just add up the units: 20 + 4 = 24 units
Hope this helps!