Answer:
450
Step-by-step explanation:
Hello!
The least common denominator is the lowest common factor between the two denominators
The lowest common denominator is 15
Hope this helps!
Answer:
I had this question yester day.
Step-by-step explanation:
Answer: (16%, 24%)
Step-by-step explanation:
The confidence interval for proportion is given by :-

Given : Significance level : 
The proportion of the respondents answered "crime and violence." : p=0.20
Margin of sampling error : 
Now, the 95% confidence interval for the proportion of the population that would respond "crime and violence" to the question asked by the pollsters is given by :-

In percentage, 
Hence, the 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters =(16%, 24%)