A tire manufacturer claims that the standard deviation of the air pressure in its tires is no more than 1.5 PSI. To test this claim, a quality inspector randomly selects a sample of 10 tires and measures the pressure in each one. The sample has a standard deviation of 2.2 PSI. Assume the air pressures are normally distributed. Use a 0.05 significance level to test the manufacturer’s claim.  

The CDC recommends adults get at least 7 hours of sleep. A researcher believes that college students get less sleep than this. A sample of 45 students reported a mean of 6.6 hours with a standard deviation of 0.9 hours. Using a 0.05 level of significance, test whether college students are getting less than the recommended 7 hours of sleep. Be sure to define your hypotheses, test statistic, and conclusion.  

The pronouns _________________________ would be best to use for academic writing, as it is the most objective point of view.

How does the author refute the opposition? Power to Protect.pdf

If you include a word-for-word passage from a source in your essay and put quotation marks around it, you 

A travel blogger writes a guide on visiting Paris, using vivid descriptions to excite potential tourists. Meanwhile, a scientist writes a research paper about climate change, using precise data and formal language. Even though they have different styles, both writers are practicing effective writing because they are tailoring their message to the intended _______________________ and fulfilling the intended _______________________.  

What may be considered common knowledge in one _________________ may not be considered common knowledge in another.

The evidence used to substantiate the claim, “Many books in school libraries contain explicit content that some parents find disturbing or inappropriate” is adequate, appropriate, and convincing (1).  Power to Protect.pdf

What constitutes common knowledge?

What is the author’s purpose in writing this essay? Power to Protect.pdf