If earning more money from a college degree occurs, a researcher is interested in finding out. She is aware that the average annual household income in thousands is μ<=80.
The null hypothesis is a claim made about the population parameter in relation to the test's goal and in opposition to the alternative hypothesis.
- The term "null hypothesis" refers to a researcher's attempt to reject or "nullify" a commonly held assumption (such as that the sky is blue). A null hypothesis is "a statistical theory suggesting that no statistical relationship exists between given observed variables," according to a more formal definition.
- It always contains = , ≤ , ≥ signs.
- The results will be examined using a one-tailed hypothesis test.
Hence, μ<=80
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Answer:
value of x =

Step-by-step explanation:
here's the solution,
the given triangle is a right angled triangle so, by applying pythagoras theorem,
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How much money will you have saved by
the end of December will be $54
Since you increase each monthly deposit by $4
Hence, June to December will give us 6 months
Now let determine How much money will you have saved by the end of December
December ending Amount saved= $30 +($4 × 6 months)
December ending Amount saved= $30 +$24
December ending Amount saved= $54
Inconclusion How much money will you have saved by the end of December will be $54
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