12. Please help. If PG=2(4x−3)−8 and GO=4+2x, what is the value of x?
2 answers:
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Answer:
I think it should be
Step-by-step explanation:
When the question said area of the cube, I think it was supposed to be surface area, which would where a is the length of one edge. Given that the length of one edge is 2x, we would plug in 2x to the equation to get
which would become
.
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%)