Answer: a) Required minimum sample size= 219
b) Required minimum sample size= 271
Step-by-step explanation:
As per given , we have
Margin of error : E= 5% =0.05
Critical z-value for 90% confidence interval : 
a) Prior estimate of true proportion: p=28%=0.28
Formula to find the sample size :-
Required minimum sample size= 219
b) If no estimate of true proportion is given , then we assume p= 0.5
Formula to find the sample size :-
Required minimum sample size= 271
Answer:
Step-by-step explanation:
See comment for complete question
Given:
Required
The information that shows 
by SSS
By SSS implies that, the three sides of both triangles are congruent
Already, we have:
The third side of 
is 
The third side of 
is 
So, for both to be congruent by SSS, the third sides must be congruent
i.e.
13 16 15 19 20 15 19 20 14 15 17 18 and that's all i see hopes that helped :)
Answer:
81/70
Step-by-step explanation:
5/14+4/5=25/70+56/70=81/70
Answer:
2/3 or 2 to 3
Step-by-step explanation:
Good luck!
