Given the points A(-6,16) B(2,-4)
1 answer:
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<h2>Answer with explanation:</h2>
Let the population mean.
The hypothesis for the given situation :-
, since the alternative hypothesis is left-tailed , so the test a left-tailed test.
The sample size : , since n>30 so its a large sample . We use z-test.
Sample mean :
Standard deviation :
Significance level :
The test statistic for population mean :-
i.e.
The p-value :
Since, the p-value is less than the significance level , so we reject the null hypothesis.
Hence, we have evidence to accept the agency's claim that the brewery is cheating its customers.
Answer:
the graph to this equation is
Step-by-step explanation:
