B= the base of the object
Answer:
2/7
Step-by-step explanation:
You would add what is in the parenthesees and you get 6/14 and if you simplify you get 3/7. So you would do 5/7 -3/7
Answer:
264647401977373+3637397374+739-739376536372801826464783920182773636373+7373839292901-278282
Answer: 1308
Step-by-step explanation:
Given : Level of confidence = 0.97
Significance level : 
Critical value : 
Margin of error : 
If prior proportion of population is unknown , then the formula to find the population proportion is given by :-


Hence, the minimum sample size needed =1308