Can anyone answer this for me?
1 answer:
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Answer:
<h2>69.5</h2>Step-by-step explanation:
Given the confidence interval of the heights of american heights given as (65.3,73.7);
Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7
Sample mean will be the average of both confidence interval . This is expressed mathematically as
Hence, the sample mean is 69.5
The complete question in the attached figure
we have that
(x²<span> - 25)/ (x - 5)
we know
</span>(x² - 25)-------------> (Difference of two squares)----------> (x+5)*(x-5)
then
(x² - 25)/ (x - 5)<span>-------> (x+5)*(x-5)/(x-5)------------> (x+5)
the answer is the option B)
(x+5)</span>
we have that
(x²<span> - 25)/ (x - 5)
we know
</span>(x² - 25)-------------> (Difference of two squares)----------> (x+5)*(x-5)
then
(x² - 25)/ (x - 5)<span>-------> (x+5)*(x-5)/(x-5)------------> (x+5)
the answer is the option B)
(x+5)</span>