Which inverse operation would be used to verify the following equation? 102 ÷ 3 = 34
2 answers:
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Answer:
Step-by-step explanation:
The confidence interval for the difference of two population proportion is given by :-
Given : The first sample consists of 20 people with 9 having a common attribute.
Here, ,
,
Significance level :
Critical value :
A 95% confidence interval for the difference of two population proportion will be :-
1. Given (12+3)x, we can sum the numbers in the parenthesis to get 15x
2. Given 12x+3x, we can factor x to get (12+3)x and get the same as 1.
3. Given (12+3x)x, we have to distribute the x and we have
4. This expression is already simplified.