What's 1,112,433 run to the nearest ten thousand
2 answers:
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Answer:
The appropriate null hypothesis is
The appropriate alternative hypothesis is
Step-by-step explanation:
Exactly a year prior to this poll, in June of 2004, it was estimated that roughly 1 out of every 4 U.S. adults believed (at that time) that the war in Iraq was the most important problem facing the country.
At the null hypothesis, we test if the proportion is still the same, that is, of . So
We would like to test whether the 2005 poll provides significant evidence that the proportion of U.S. adults who believe that the war in Iraq is the most important problem facing the U.S. has decreased since the prior poll.
Decreased, so at the alternative hypothesis, it is tested if the proportion is less than 0.25, that is:
Answer:
No solution
Step-by-step explanation:
Given: and
Solve both inequality separately.
Subtraction property of inequality
and
Addition property of inequality
Hence, the solution of the compound inequality intersection of both solutions.
Please find attachment for number line solution.
No solution
