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2 answers:
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Answer:
Step-by-step explanation:
Given
Required
The equivalent expression (see attachment)
We have:
Split
Apply the following laws of indices
So, we have:
<em>Hence (d) is correct</em>
Answer:
The null hypothesis
The alternative hypothesis
Step-by-step explanation:
From the question we are told that
The population mean is
Generally
The null hypothesis is that the company's new sedan, the Libra, will have an average of
This mathematically represented as
The null hypothesis
The alternative hypothesis is that the company's new sedan, the Libra, will have an average better than
This mathematically represented as
The alternative hypothesis