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A service company would like to know if the proportion of customers satisfied with their service has changed since the last time they surveyed their customers. Their alternative hypothesis would be

Sagot :

Considering the situation tested, the alternative hypothesis would be given by:

[tex]H_a: p \neq \overline{p}[/tex]

What are the hypothesis tested?

At the null hypothesis, we test if our claim is wrong, that is, if the proportion is still the same of [tex]\overline{p}[/tex]:

[tex]H_0: p = \overline{p}[/tex]

At the alternative hypothesis, it is tested if there is enough evidence that our claim is correct and the proportion has changed, that is:

[tex]H_a: p \neq \overline{p}[/tex]

More can be learned about an hypothesis test at https://brainly.com/question/26454209

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