Answer: (13.4996, 32.5004)
Step-by-step explanation:
The confidence interval for mean difference is given by :-
,
where 
= sample mean difference .
= critical t value (two-tailed)
SE= Standard error.
Given : 
SE= 4.2
Now, the confidence interval for mean difference will be :-
Hence, the required confidence interval : (13.4996, 32.5004)
Answer:
70 degrees
Opposite angles are equal to each other
Answer:
C is the answer
Step-by-step explanation:
pls add me on brainlist
Answer:
11 ft
Step-by-step explanation:
The midsegment is 1/2 of the top and bottom segments
1/2(8+14)
1/2(22) = 11
Form the ratio 560/2800 and then mult. the result by 100%:
560
--------- * 100% = 20%
2800
