You have to divide 450 and 1800 in order to find the ratio of money spent out of the income on food, then multiply that decimal by 100 in order to convert into a plausible percentage; in this case, it is 25%.
A (2,1) is closest (0,4) is a close second but A is the closest
Answer:
30%
Step-by-step explanation:
30% plus 70% = 100%, so the answer is 30%
Answer:
The correct answer is "664".
Step-by-step explanation:
The given values are:
Margin of error,
E = 5%
i.e.,
= 0.05
Level of confidence,
C = 99%
i.e.,
= 0.99
Level of significance,
α = 0.01
From the z value table,
Critical z = 2.576
As we know,
The required sample size n will be:
= 
On substituting the values, we get
= 
= 
= 
= 
i.e.,
= 