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2 answers:
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ANSWER
The value of x is
EXPLANATION
F is the point of intersection of the medians of the triangle,
The ratio is
This implies that,
We can write this as a fraction to get,
We cross multiply to get,
Let us expand the brackets yo obtain,
We group like terms to get,
We divide both sides by 2 to get,
The correct answer is B.
The value of x is
EXPLANATION
F is the point of intersection of the medians of the triangle,
The ratio is
This implies that,
We can write this as a fraction to get,
We cross multiply to get,
Let us expand the brackets yo obtain,
We group like terms to get,
We divide both sides by 2 to get,
The correct answer is B.
Answer:
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<h2>Answer with explanation:</h2>
Let p be the population proportion of parents who had children in grades K-12 were satisfied with the quality of education the students receive.
Given : Several years ago, 39% of parents who had children in grades K-12 were satisfied with the quality of education the students receive.
Set hypothesis to test :
Sample size : n= 1055
Sample proportion :
Critical value for 95% confidence :
Confidence interval :
Since , Confidence interval does not contain 0.39.
It means we reject the null hypothesis.
We conclude that 95% confidence interval represents evidence that parents' attitudes toward the quality of education have changed.