Answer: alternative D.
Step-by-step explanation: The two correct alternatives are A and B, which state that a larger sample would fit into the 95% confidence interval with a smaller margin of error, since<u> the more samples, the less is the deviance from its calculated average value</u>. If the sample size is bigger and the margin of error smaller, the tendency to choose randomly one individual and having a result closer to the true value of the average hormone level increases.
Answer:
the best way to to do this would be to use a protractor, if you don't have one you would have to guess on the 15 degrees, but it would be a very small angle
Answer with Step-by-step explanation:
Let A is non-singular
We have to prove that 
is unique.
Suppose B and C are inverse of A such that
and AC=I
By using property 
Hence, the inverse of A is unique.
<em>See</em><em> </em><em>above</em><em> </em><em>explanation</em>
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