Answer:
See explanation below
Explanation:
1) Option C is correct.
The average difference in husband and wife marriage ages in Cumberland County; μd
2) Option D is correct.
Null: The average difference in marriage ages in Cumberland County is 0.
Alt: The average difference in marriage ages is greater than 0.
3) Option A is correct
Null: μd = 0
Alt: μd > 0
4) Given:
n = 24
d' = 1.875
Sd = 4.812
Find test statistic:



Degree of freedom, df = n - 1 = 24 - 1 = 23
Pvalue 
Pvalue = 0.0344
Significance level = 0.05
5) Since p value is less than significance level, reject null hypothesis H0
Hence, there is strong evidence that, on average, husbands are older than their wives in Cumberland County
Answer:
13.23 feet^2
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
i wanna say 18 but im wrong i believe
J + -2 = -22
Adding a negative number changes the equation to subtract ruin:
J - 2 = -22
Now add 2 to both sides to get the answer:
J = -20
The volume of a triangular prism is equal to :
area of the base x height
the area of the base :

so the volume is

the answer is 160m^3
good luck