matt has started a car washing business to save money for college. each week he washes three more cars than the week he did befo
2 answers:
Answer:
This problem can be expressed as a liner model, because it specifies that each week he washes three more cars than the week before, this means that the new week is always three more than the previous week, this implies a sum operation to indicate it.
So, the expression would be:
Where represents the new week, and
represents the previous week.
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Answer:
The correct null hypothesis in words is:
D. The long-run proportion of private colleges in the US, that have tenure-track faculty is 0.5.
Step-by-step explanation:
He wants to test the claim that the proportion of private schools that have avenues for professors to apply for tenure is significantly higher than 0.5, as happen with the public schools.
Then, the alternative hypothesis is:
The null hypothesis represents the opposite claim, where the proportion is not significantly higher than 0.5. Then, the null hypothesis is expressed as:
The correct null hypothesis in words is:
D. The long-run proportion of private colleges in the US, that have tenure-track faculty is 0.5.